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发明名称
Receiver for carrier telephone systems
摘要
申请公布号
US2816960(A)
申请公布日期
1957.12.17
申请号
US19540469511
申请日期
1954.11.17
申请人
T. S. SKILMAN AND COMPANY PTY. LIMITED
发明人
STANLEY THOMAS H.
分类号
H04Q1/446
主分类号
H04Q1/446
代理机构
代理人
主权项
地址
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