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发明名称
Method of adjusting polar relays
摘要
申请公布号
US2590228(A)
申请公布日期
1952.03.25
申请号
US19480068690
申请日期
1948.12.31
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BROWN JOHN T. L.
分类号
G01R31/327;H01H51/22
主分类号
G01R31/327
代理机构
代理人
主权项
地址
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