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发明名称
Timer
摘要
申请公布号
US2364680(A)
申请公布日期
1944.12.12
申请号
US19420427287
申请日期
1942.01.19
申请人
PHOTOSWITCH INCORPORATED
发明人
WOLFNER WILLIAM F.
分类号
H04B1/04
主分类号
H04B1/04
代理机构
代理人
主权项
地址
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