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经营范围
发明名称
Nouveaux films et fibres synthétiques
摘要
申请公布号
FR874642(A)
申请公布日期
1942.08.13
申请号
FRD874642
申请日期
1941.04.16
申请人
发明人
POULVEREL ALBERT;ROQUERBE PIERRE
分类号
D01F9/04
主分类号
D01F9/04
代理机构
代理人
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