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发明名称
VORRICHTUNG ZUM MESSEN VON GERADEN ROHREN UND AUSRICHTEN VON ROHRANSCHLUSSTUECKEN BEI ROHRLEITUNGEN.
摘要
申请公布号
DE1659399(U)
申请公布日期
1953.07.16
申请号
DE195300J2579U
申请日期
1953.04.01
申请人
FRIEDRICH JACOB & SOEHNE
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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