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发明名称
ELEKTRISCHE KATHODENGLIMMLICHTROEHRE.
摘要
申请公布号
DE1656847(U)
申请公布日期
1953.06.03
申请号
DE1951P002549U
申请日期
1951.10.17
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
分类号
主分类号
代理机构
代理人
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