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发明名称
ELECTRIC ARC WELDING
摘要
申请公布号
CA811295(A)
申请公布日期
1969.04.22
申请号
CAD811295
申请日期
申请人
THE BRITISH OXYGEN COMPANY LIMITED
发明人
PETER BOUGHTON
分类号
主分类号
代理机构
代理人
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地址
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