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发明名称
PHOTOTRANSISTOR OPERATED RELAY
摘要
申请公布号
CA647954(A)
申请公布日期
1962.09.04
申请号
CAD647954
申请日期
申请人
GENERAL ELECTRIC COMPANY
发明人
WILLIAM D. COCKRELL
分类号
主分类号
代理机构
代理人
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