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经营范围
发明名称
WELDING METALS ELECTRICALLY.
摘要
申请公布号
IE15781(L)
申请公布日期
1940.01.06
申请号
IED15781
申请日期
1939.06.30
申请人
ALOIS SIGFRIED WEIBEL;HANS WEIBEL.
发明人
分类号
H05B;(IPC1-7):H05B
主分类号
H05B
代理机构
代理人
主权项
地址
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