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发明名称
Photoelectric cell modulator
摘要
申请公布号
US2155034(A)
申请公布日期
1939.04.18
申请号
US19350031842
申请日期
1935.07.17
申请人
COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ
发明人
BARTHELEMY RENE
分类号
H04N5/30
主分类号
H04N5/30
代理机构
代理人
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地址
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