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发明名称
摘要
申请公布号
FR2047925(B1)
申请公布日期
1973.01.12
申请号
FR19700023124
申请日期
1970.06.23
申请人
PHILIPS GLOEILAMPEN
发明人
分类号
G03H1/00;G02B5/32;(IPC1-7):G03B35/00;G02B21/00
主分类号
G03H1/00
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