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发明名称
Vakuumroehre mit gasempfindlicher Elektrode
摘要
申请公布号
DE837110(C)
申请公布日期
1952.04.21
申请号
DE19500004516
申请日期
1950.11.04
申请人
DR. HANS-WERNER PAEHR
发明人
PAEHR DR. HANS-WERNER
分类号
H01J7/18;H01J29/94
主分类号
H01J7/18
代理机构
代理人
主权项
地址
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