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发明名称
Detecting system
摘要
申请公布号
US2186130(A)
申请公布日期
1940.01.09
申请号
US19360096774
申请日期
1936.08.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
WINTRINGHAM WILLIAM T.
分类号
H03D1/06
主分类号
H03D1/06
代理机构
代理人
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地址
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