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发明名称
COUPLER SWITCHES
摘要
申请公布号
US3559108(A)
申请公布日期
1971.01.26
申请号
USD3559108
申请日期
1969.08.21
申请人
BELL TELEPHONE LABORATORIES INC.
发明人
HAROLD SEIDEL
分类号
H01P1/15;(IPC1-7):H01P5/12;H03H7/10
主分类号
H01P1/15
代理机构
代理人
主权项
地址
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