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经营范围
发明名称
Narrow band discriminator circuit
摘要
申请公布号
GB787605(A)
申请公布日期
1957.12.11
申请号
GB19550032284
申请日期
1955.11.11
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H03D3/16;H03K9/00;H04J1/08
主分类号
H03D3/16
代理机构
代理人
主权项
地址
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