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发明名称
Vorrichtung zur Kuehlung der Umgebung der Schweissstelle durch Aufblasen von Pressluf
摘要
申请公布号
DE516027(C)
申请公布日期
1931.01.16
申请号
DENDATB146987D
申请日期
申请人
ALBERT BRAHM
发明人
分类号
B23K5/22
主分类号
B23K5/22
代理机构
代理人
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地址
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