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发明名称
Entspannungsvorrichtung für Abschlammleitungen von Kesseln, insbesondere Lokomotivkesseln.
摘要
申请公布号
AT119596(B)
申请公布日期
1930.10.25
申请号
ATD119596
申请日期
1929.06.26
申请人
FIRMA ALEX. FRIEDMANN
发明人
分类号
主分类号
代理机构
代理人
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