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发明名称
Phase-modulators
摘要
申请公布号
US2844796(A)
申请公布日期
1958.07.22
申请号
US19550555676
申请日期
1955.12.27
申请人
BRITISH TELECOMMUNICATIONS RESEARCH LIMITED
发明人
FELIX MICHAEL OTTO
分类号
H03C3/38
主分类号
H03C3/38
代理机构
代理人
主权项
地址
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