diff --git a/app/models/p_product.rb b/app/models/p_product.rb
index 2b2a73a..1147c4a 100644
--- a/app/models/p_product.rb
+++ b/app/models/p_product.rb
@@ -277,9 +277,9 @@ class PProduct < ApplicationRecord
           puts key
           case key
           when "identifiant"
-            ref.description = value
+            ref.description = value if !value.blank?
           when "gencode"
-            ref.genecode = value
+            ref.genecode = value if !value.blank?
           when "id"
 
           when "marque"
@@ -289,10 +289,10 @@ class PProduct < ApplicationRecord
             n.p_product_cat = PProductCat.find_or_create_by!(name: value)
 
           when "reference"
-            n.name = value
+            n.name = value if !value.blank?
 
           when "modele"
-            ref.ct_sub_name = value if value.present?
+            ref.ct_sub_name = value if !value.blank?
 
           when "couleur"
             ref.p_product_color = PProductColor.find_or_create_by!(name: value)
@@ -350,51 +350,51 @@ class PProduct < ApplicationRecord
             spec = PProductRefSpec.create!(p_product_ref: ref, p_spec_type: PSpecType.find_by(name: "Autre"), p_spec_value: PSpecValue.find_or_create_by!(value: value))
             import_csv.import_csv_elements << ImportCsvElement.new(:element => spec)
           when "reference_fabricant"
-            ref.manufacturer_ref = value
+            ref.manufacturer_ref = value if !value.blank?
           when "etat"
-            ref.used_state = value
+            ref.used_state = value if !value.blank?
           when "code_hs"
-            ref.i_code_hs = value
+            ref.i_code_hs = value if !value.blank?
           when "indice_reparabilite"
-            ref.prepair_score = value
+            ref.prepair_score = value if !value.blank?
           when "duree_dispo_pces_detachees"
-            ref.part_delay = value
+            ref.part_delay = value if !value.blank?
           when "das_tete"
-            ref.das_head = value
+            ref.das_head = value if !value.blank?
           when "das_corps"
-            ref.das_body = value
+            ref.das_body = value if !value.blank?
           when "das_membre"
-            ref.das_membre = value
+            ref.das_membre = value if !value.blank?
           when "poids"
-            ref.weight = value
+            ref.weight = value if !value.blank?
           when "nb_pcs_colis"
-            ref.nb_pcs_colis = value
+            ref.nb_pcs_colis = value if !value.blank?
           when "code_om"
-            ref.code_om = value
+            ref.code_om = value if !value.blank?
           when "gbh_code_971"
-            ref.gbh_code_971 = value
+            ref.gbh_code_971 = value if !value.blank?
           when "gbh_code_972"
-            ref.gbh_code_972 = value
+            ref.gbh_code_972 = value if !value.blank?
           when "gbh_code_973"
-            ref.gbh_code_973 = value
+            ref.gbh_code_973 = value if !value.blank?
           when "code_art"
-            ref.code_art = value
+            ref.code_art = value if !value.blank?
           when "sorecop"
             ref.p_product.sorecop_cat = SorecopCat.find_by(name: soreco_cat_hash[row["famille"]])
             if ref.sorecop.kind_of?(String)
               ref.ct_sorecop = value if !value.blank?
             end
           when "pmp_hors_sorecop"
-            ref.i_pmp_hors_sorecop = value
+            ref.i_pmp_hors_sorecop = value if !value.blank?
           when "target_hors_sorecop"
-            ref.i_target_hors_sorecop = value
+            ref.i_target_hors_sorecop = value if !value.blank?
           when "frs"
             ref.p_fournisseur_id = PFournisseur.find_or_create_by!(name: value).id
           when "spec"
             spec = PProductRefSpec.create!(p_product_ref: ref, p_spec_type: PSpecType.find_by(name: "Version ROM"), p_spec_value: PSpecValue.find_or_create_by!(value: value))
             import_csv.import_csv_elements << ImportCsvElement.new(:element => spec)
           when "commentaires"
-            ref.i_comment = value
+            ref.i_comment = value if !value.blank?
 
           # champs ignorés
           when "date"