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发明名称
Counterbalance assembly
摘要
申请公布号
US2843808(A)
申请公布日期
1958.07.15
申请号
US19530357606
申请日期
1953.05.26
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BARKOFF LEONARD E.;WALTHER HENRY
分类号
H01H67/06
主分类号
H01H67/06
代理机构
代理人
主权项
地址
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