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发明名称
écrou indesserrable
摘要
申请公布号
FR707381(A)
申请公布日期
1931.07.07
申请号
FRD707381
申请日期
1930.12.11
申请人
发明人
GAILHAC ANTOINE;LAZZARONI EMILE
分类号
F16B39/32
主分类号
F16B39/32
代理机构
代理人
主权项
地址
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