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发明名称
Gegenmutter
摘要
申请公布号
DE529746(C)
申请公布日期
1931.07.18
申请号
DED529746D
申请日期
1930.02.08
申请人
CHARLES LOUIS FERAL
发明人
分类号
F16B37/02
主分类号
F16B37/02
代理机构
代理人
主权项
地址
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