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发明名称
Duplex facsimile transceiver
摘要
申请公布号
US2295572(A)
申请公布日期
1942.09.15
申请号
US19400318230
申请日期
1940.02.10
申请人
FINCH WILLIAM G H
发明人
FINCH WILLIAM G. H.
分类号
H04N1/024;H04N1/06
主分类号
H04N1/024
代理机构
代理人
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