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发明名称
Printing telegraph system
摘要
申请公布号
US2015323(A)
申请公布日期
1935.09.24
申请号
US19340733638
申请日期
1934.07.03
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
SINGER FRED JOHN;SWEZEY BURDETTE STEVENS
分类号
H04L12/06
主分类号
H04L12/06
代理机构
代理人
主权项
地址
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