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发明名称
Automatic telegraph system
摘要
申请公布号
US3007998(A)
申请公布日期
1961.11.07
申请号
US19560593486
申请日期
1956.06.25
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
GROSSER HERMANN KARL MARIA;SPOON HANS JACOB
分类号
H04L12/00;H04M3/523
主分类号
H04L12/00
代理机构
代理人
主权项
地址
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