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发明名称
Electric welding device
摘要
申请公布号
US2230021(A)
申请公布日期
1941.01.28
申请号
US19380235882
申请日期
1938.10.19
申请人
SIGFRIED WEIBEL ALOIS;HANS WEIBEL
发明人
WEIBEL ALOIS SIGFRIED;WEIBEL HANS
分类号
B23K11/31
主分类号
B23K11/31
代理机构
代理人
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