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发明名称
Verrou d'écrous
摘要
申请公布号
FR674376(A)
申请公布日期
1930.01.28
申请号
FRD674376
申请日期
1928.09.12
申请人
发明人
DEVAUX MAURICE
分类号
F16B39/10
主分类号
F16B39/10
代理机构
代理人
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