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发明名称
Zentriervorrichtung fuer die aneinanderstossenden Rohrenden bei Rohrgeruesten
摘要
申请公布号
DE927231(C)
申请公布日期
1955.05.02
申请号
DE1952M015107
申请日期
1952.08.13
申请人
MANNESMANN AKTIENGESELLSCHAFT
发明人
SCHAPPEI HEINRICH
分类号
E04G7/20;F16B7/04
主分类号
E04G7/20
代理机构
代理人
主权项
地址
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