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经营范围
发明名称
Vakuumgefaess aus Metall
摘要
申请公布号
DE826776(C)
申请公布日期
1952.01.03
申请号
DE1950T001922
申请日期
1950.07.27
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
PULRICH DR. HANS
分类号
H01J5/40
主分类号
H01J5/40
代理机构
代理人
主权项
地址
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