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发明名称
Rohrverbindung zum Verbinden zweier im Abstand voneinander angeordneter freier Rohrenden
摘要
申请公布号
DE686210(C)
申请公布日期
1940.01.05
申请号
DE193400D9221D
申请日期
1934.11.28
申请人
DEUTSCHE EISENWERKE AKT.-GES.
发明人
分类号
F16L21/00
主分类号
F16L21/00
代理机构
代理人
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