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发明名称
Relais électronique photosensible
摘要
申请公布号
FR971749(A)
申请公布日期
1951.01.22
申请号
FRD971749
申请日期
1948.03.06
申请人
发明人
PECTOR LOUIS
分类号
G08B13/184
主分类号
G08B13/184
代理机构
代理人
主权项
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