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发明名称
Einrichtung zur Überwachung des Vakuums einer Vakuumschaltröhre
摘要
申请公布号
DE3702009(C2)
申请公布日期
1994.11.10
申请号
DE19873702009
申请日期
1987.01.22
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN, DE
发明人
REINHARD, HANS-JUERGEN, DR.-ING., 1000 BERLIN, DE
分类号
H01H33/668;(IPC1-7):H01H33/66
主分类号
H01H33/668
代理机构
代理人
主权项
地址
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