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发明名称
Verfahren zum Plattieren von Metallrohren
摘要
申请公布号
DE878036(C)
申请公布日期
1953.05.28
申请号
DE1940M004637D
申请日期
1940.10.25
申请人
WESTDEUTSCHE MANNESMANNROEHREN AKTIENGESELLSCHAFT
发明人
GERHARDS WILHELM
分类号
B23K20/22;B23K20/227
主分类号
B23K20/22
代理机构
代理人
主权项
地址
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