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发明名称
Tube welding by high frequency resistance heating
摘要
申请公布号
US2827543(A)
申请公布日期
1958.03.18
申请号
US19560599094
申请日期
1956.07.20
申请人
MAGNETIC HEATING CORP.
发明人
RUDD WALLACE C.
分类号
B21C37/08;B23K13/02
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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