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发明名称
écrou de sûreté indésserable
摘要
申请公布号
FR696995(A)
申请公布日期
1931.01.10
申请号
FRD696995
申请日期
1930.05.22
申请人
发明人
CONTI EMILE
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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