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发明名称
Mercury contact device
摘要
申请公布号
US2473693(A)
申请公布日期
1949.06.21
申请号
US19470775081
申请日期
1947.09.19
申请人
BEIL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. CHARLES E. POLLARD,
分类号
H01H1/08
主分类号
H01H1/08
代理机构
代理人
主权项
地址
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