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发明名称
Mit Kohlenstoff ueberzogenes Metallelement
摘要
申请公布号
DE861288(C)
申请公布日期
1952.12.29
申请号
DE1950R003358
申请日期
1950.08.23
申请人
RADIO CORPORATION OF AMERICA
发明人
DIFFENDERFER JOHN BARR
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
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地址
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