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经营范围
发明名称
Braunsche Hochvakuumroehre
摘要
申请公布号
DE712207(C)
申请公布日期
1941.10.20
申请号
DE1935F080079D
申请日期
1935.10.16
申请人
FERNSEH G.M.B.H.
发明人
RUSKA DR.-ING. ERNST
分类号
H01J29/46
主分类号
H01J29/46
代理机构
代理人
主权项
地址
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