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发明名称
Elektrische gas- oder dampfgefuellte Bogenentladungsroehre
摘要
申请公布号
DE560976(C)
申请公布日期
1932.10.08
申请号
DED560976D
申请日期
1930.11.29
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
ZECHER DR. GUSTAV
分类号
H01J61/72
主分类号
H01J61/72
代理机构
代理人
主权项
地址
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