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发明名称
Improvements in work holders for use in electric welding
摘要
申请公布号
GB784325(A)
申请公布日期
1957.10.09
申请号
GB19540019323
申请日期
1954.07.01
申请人
HALL & GOULDING (BOGNOR) LIMITED
发明人
HOWARTH FRANK
分类号
B23K37/04
主分类号
B23K37/04
代理机构
代理人
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地址
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