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经营范围
发明名称
écrou freiné
摘要
申请公布号
FR981399(A)
申请公布日期
1951.05.25
申请号
FRD981399
申请日期
1948.12.31
申请人
发明人
VARENNE JEAN
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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