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发明名称
Elektromagnetisch gesteuertes Ventil mit einem in ein Quecksilberbad eintauchenden Koerper
摘要
申请公布号
DE542827(C)
申请公布日期
1932.01.28
申请号
DENDATU011070D
申请日期
申请人
OSKAR URBAN
发明人
分类号
F16K13/10;F16K31/06
主分类号
F16K13/10
代理机构
代理人
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