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发明名称
Boulon indesserrable
摘要
申请公布号
FR690623(A)
申请公布日期
1930.09.24
申请号
FRD690623
申请日期
1929.05.06
申请人
发明人
LECERF JEAN
分类号
F16B39/16
主分类号
F16B39/16
代理机构
代理人
主权项
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