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发明名称
Electric resistance welders with deflection firing heads
摘要
申请公布号
US2906856(A)
申请公布日期
1959.09.29
申请号
US19590793103
申请日期
1959.02.13
申请人
BANNER WELDER, INC.
发明人
FORSSMARK BOO H.
分类号
B23K11/31
主分类号
B23K11/31
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代理人
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