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发明名称
WIDERSTANDSMASSE
摘要
申请公布号
DE1903561(B2)
申请公布日期
1972.03.30
申请号
DE19691903561
申请日期
1969.01.24
申请人
发明人
分类号
H01C7/00;C04B35/00;H01C17/065;(IPC1-7):C04B35/00
主分类号
H01C7/00
代理机构
代理人
主权项
地址
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