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发明名称
Electric butt welding
摘要
申请公布号
US2652473(A)
申请公布日期
1953.09.15
申请号
US19520271204
申请日期
1952.02.12
申请人
GORDON CARROLL G;CAMERON ROBERT R
发明人
GORDON CARROLL G.;CAMERON ROBERT R.
分类号
B23K11/04
主分类号
B23K11/04
代理机构
代理人
主权项
地址
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