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发明名称
Vakuumschaltröhre mit einer Gettervorrichtung
摘要
申请公布号
DE29704327(U1)
申请公布日期
1998.07.02
申请号
DE19972004327U
申请日期
1997.02.28
申请人
SIEMENS AG, 80333 MUENCHEN, DE
发明人
分类号
H01H33/66;H01H33/668;(IPC1-7):H01H33/66
主分类号
H01H33/66
代理机构
代理人
主权项
地址
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