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发明名称
VORRICHTUNG ZUM PRUEFEN VON ROHREN DURCH INNENDRUCK.
摘要
申请公布号
DE1650567(U)
申请公布日期
1953.02.12
申请号
DE195100W3709U
申请日期
1951.07.21
申请人
WESTDEUTSCHE MANNESMANNROEHREN AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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