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发明名称
Lichtbogenschweissvorrichtung mit in verschiedenen Richtungen drehbarem Schweisskopf und zum Absaugen dienendem Rohr
摘要
申请公布号
DE749072(C)
申请公布日期
1944.11.15
申请号
DED749072D
申请日期
1939.10.28
申请人
发明人
RISCH DIPL.-ING. FRITZ
分类号
B23K9/133
主分类号
B23K9/133
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代理人
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