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发明名称
ARC WELDING HEAT CONTROL APPARATUS
摘要
申请公布号
CA417104(A)
申请公布日期
1943.12.14
申请号
CAD417104
申请日期
申请人
WILSON WELDER AND METALS CO.
发明人
JOSEPH MARTIN TYRNER
分类号
主分类号
代理机构
代理人
主权项
地址
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