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发明名称
Perfectionnements à l'indesserrabilité des écrous
摘要
申请公布号
FR902278(A)
申请公布日期
1945.08.23
申请号
FRD902278
申请日期
1944.02.29
申请人
发明人
DERAEVE MARCEL-YVES
分类号
F16B39/284
主分类号
F16B39/284
代理机构
代理人
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地址
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