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发明名称
Verfahren zur Herstellung einer Schweißverbindung für innen mit einem Schutzanstrich versehene Rohre.
摘要
申请公布号
AT156340(B)
申请公布日期
1939.06.10
申请号
ATD156340
申请日期
1938.03.03
申请人
GEBR. BOEHLER & CO. AKTIENGESELLSCHAFT
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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