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发明名称
POLAR TELEGRAPHY RECEIVE CURRENT LOOP WITH SOLID-STATE SWITCHING BRIDGE
摘要
申请公布号
US3458727(A)
申请公布日期
1969.07.29
申请号
USD3458727
申请日期
1966.01.03
申请人
GENERAL ELECTRIC CO.
发明人
LINWOOD C. WATKINS JR.
分类号
H04L25/24;(IPC1-7):H04L27/00;H04L17/16
主分类号
H04L25/24
代理机构
代理人
主权项
地址
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