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发明名称
Periodic wave repeater
摘要
申请公布号
US2212173(A)
申请公布日期
1940.08.20
申请号
US19380236200
申请日期
1938.10.21
申请人
HAZELTINE CORPORATION
发明人
WHEELER HAROLD A.;WILSON JOHN C.
分类号
H03B19/12;H03K3/16;H04L25/04;H04N5/06;H04N5/067;H04N5/073
主分类号
H03B19/12
代理机构
代理人
主权项
地址
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