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发明名称
écrou indesserrable
摘要
申请公布号
FR711958(A)
申请公布日期
1931.09.22
申请号
FRD711958
申请日期
1930.05.31
申请人
发明人
PERRIN GEORGES-MARIUS
分类号
F16B39/36
主分类号
F16B39/36
代理机构
代理人
主权项
地址
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