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经营范围
发明名称
Procédé de traitement de la paille et des herbes des plantes fibreuses pour l'obtention de la demi-cellulose destinée à la fabrication du papier et du carton
摘要
申请公布号
FR701132(A)
申请公布日期
1931.03.12
申请号
FRD701132
申请日期
1930.08.04
申请人
发明人
SCHACHT WILLI
分类号
D21C3/22
主分类号
D21C3/22
代理机构
代理人
主权项
地址
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