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发明名称
Method of electric resistance seam welding bimetallic element
摘要
申请公布号
US2481087(A)
申请公布日期
1949.09.06
申请号
US19440567089
申请日期
1944.12.07
申请人
CRISE GEORGE W
发明人
CRISE GEORGE W.
分类号
B23K11/20
主分类号
B23K11/20
代理机构
代理人
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地址
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