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发明名称
Electronic keying
摘要
申请公布号
US2760069(A)
申请公布日期
1956.08.21
申请号
US19520321993
申请日期
1952.11.22
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
COLE DONALD P.
分类号
H05B6/50
主分类号
H05B6/50
代理机构
代理人
主权项
地址
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