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发明名称
Joint and method of making the same
摘要
申请公布号
US2062886(A)
申请公布日期
1936.12.01
申请号
US19330700791
申请日期
1933.12.04
申请人
COPPERWELD STEEL COMPANY
发明人
JENSEN CLAUDE H.
分类号
B23K1/00
主分类号
B23K1/00
代理机构
代理人
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