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发明名称
Method for transmitting alpha plurality of communications
摘要
申请公布号
US1852727(A)
申请公布日期
1932.04.05
申请号
US19300500149
申请日期
1930.12.04
申请人
HORST WILLEM PIETER CORNELIS V
发明人
WILLEM PIETER CORNELIS VAN DER HORST
分类号
H04J3/17;H04J3/18
主分类号
H04J3/17
代理机构
代理人
主权项
地址
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