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发明名称
Optical scanning device
摘要
申请公布号
US2658940(A)
申请公布日期
1953.11.10
申请号
US19510208035
申请日期
1951.01.26
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
WISE RALEIGH J.;RIDINGS GARVICE H.
分类号
H04L15/20
主分类号
H04L15/20
代理机构
代理人
主权项
地址
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