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发明名称
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摘要
申请公布号
US2576836(A)
申请公布日期
1951.11.27
申请号
US19470766953
申请日期
1947.08.07
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. HARRY A. HILSINGER,
分类号
H01H19/58;H01H25/06
主分类号
H01H19/58
代理机构
代理人
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