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经营范围
发明名称
écrou indesserrable
摘要
申请公布号
FR856058(A)
申请公布日期
1940.05.27
申请号
FRD856058
申请日期
1939.02.14
申请人
发明人
COLAS JOSEPH ERNEST
分类号
F16B39/286
主分类号
F16B39/286
代理机构
代理人
主权项
地址
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