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发明名称
Relay circuit
摘要
申请公布号
US2088318(A)
申请公布日期
1937.07.27
申请号
US19360068240
申请日期
1936.03.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BUSCH ALOYSIUS J.
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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