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发明名称
Electronic apparatus
摘要
申请公布号
US2357371(A)
申请公布日期
1944.09.05
申请号
US19410380885
申请日期
1941.02.27
申请人
PHOTOSWITCH INCORPORATED
发明人
WOLFNER WILLIAM F.
分类号
G05B11/01
主分类号
G05B11/01
代理机构
代理人
主权项
地址
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