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发明名称
摘要
申请公布号
FR2281651(B1)
申请公布日期
1981.02.06
申请号
FR19750024705
申请日期
1975.08.07
申请人
FREUDENBERG CARL
发明人
分类号
D04H1/54;H01M2/16;(IPC1-7):01M2/16
主分类号
D04H1/54
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