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经营范围
发明名称
Telegraph transmitter
摘要
申请公布号
US2816161(A)
申请公布日期
1957.12.10
申请号
US19540437164
申请日期
1954.06.16
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
GLASER HARRY W.;MELICK THOMAS E.
分类号
H04L17/12
主分类号
H04L17/12
代理机构
代理人
主权项
地址
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