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经营范围
发明名称
Membrane de caoutchouc comme séparateur pour éléments primaires et secondaires, éléments électrolytiques, filtres, etc.
摘要
申请公布号
FR40412(E)
申请公布日期
1932.06.23
申请号
FRD40412
申请日期
1931.06.29
申请人
发明人
BECKMANN HERMANN
分类号
H01M2/16
主分类号
H01M2/16
代理机构
代理人
主权项
地址
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