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发明名称
TIG SPOT WELDING BY MEANS OF A PULSATING UNIDIRECTIONAL CURRENT
摘要
申请公布号
CA841755(A)
申请公布日期
1970.05.12
申请号
CAD841755
申请日期
申请人
WELDING RESEARCH
发明人
DAVID SCIAKY
分类号
主分类号
代理机构
代理人
主权项
地址
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