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发明名称
TWO-WAY FACSIMILE SYSTEMS BETWEEN A MAIN TELEGRAPH OFFICE AND A PLURALITY OF OUT-STATIONS
摘要
申请公布号
CA539738(A)
申请公布日期
1957.04.16
申请号
CAD539738
申请日期
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
GARVICE H. RIDINGS
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主分类号
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