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经营范围
发明名称
Improvements in or relating to fixing rivets
摘要
申请公布号
GB535092(A)
申请公布日期
1941.03.28
申请号
GB19390026445
申请日期
1939.09.22
申请人
SOCIETE D'EXPLOITATION DE BREVETS & LICENCES POUR APPLICATIONS MECANIQUES (S.E.B.E.L.P.A.M.)
发明人
分类号
B21J15/04
主分类号
B21J15/04
代理机构
代理人
主权项
地址
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