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经营范围
发明名称
Prevention of power harmonic interference in bridged subscriber loops
摘要
申请公布号
US3073908(A)
申请公布日期
1963.01.15
申请号
US19600023750
申请日期
1960.04.21
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HOCHGRAF LESTER;JR. HENRY A. STONE,
分类号
H04M1/74
主分类号
H04M1/74
代理机构
代理人
主权项
地址
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