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发明名称
Photoelectric relay apparatus
摘要
申请公布号
US2140387(A)
申请公布日期
1938.12.13
申请号
US19350011516
申请日期
1935.03.16
申请人
GENERAL ELECTRIC COMPANY
发明人
JUCHTER PIETER
分类号
H01H47/24
主分类号
H01H47/24
代理机构
代理人
主权项
地址
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