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经营范围
发明名称
Facsimile machine and system employing electric stylus transmission and recording
摘要
申请公布号
US2647945(A)
申请公布日期
1953.08.04
申请号
US19480060334
申请日期
1948.11.16
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
RIDINGS GARVICE H.;HACKENBERG JOHN H.;WORTHEN GEORGE B.
分类号
H04N1/36
主分类号
H04N1/36
代理机构
代理人
主权项
地址
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