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发明名称
Method of fabricating a sheet metal joint
摘要
申请公布号
US3366086(A)
申请公布日期
1968.01.30
申请号
US19650465022
申请日期
1965.06.18
申请人
ERMAL C. FRAZE
发明人
FRAZE ERMAL C.
分类号
B21D51/38
主分类号
B21D51/38
代理机构
代理人
主权项
地址
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