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经营范围
发明名称
Improvements in or relating to electric frequency modulators
摘要
申请公布号
GB703254(A)
申请公布日期
1954.02.03
申请号
GB19500019049
申请日期
1950.07.31
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
EARP CHARLES WILLIAM;WINTLE MALCOLM FRANK
分类号
H03C3/14
主分类号
H03C3/14
代理机构
代理人
主权项
地址
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