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经营范围
发明名称
Perfectionnements apportés aux filières pour l'obtention de produits en une matière coagulable ou thermodurcissable, notamment des fils ou bandes en latex de caoutchouc
摘要
申请公布号
FR1004450(A)
申请公布日期
1952.03.31
申请号
FRD1004450
申请日期
1947.04.23
申请人
发明人
DUFOUR RENE;LEDUC HENRI-AUGUSTE
分类号
D01D4/02
主分类号
D01D4/02
代理机构
代理人
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