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经营范围
发明名称
Crystal controlled oscillator
摘要
申请公布号
GB594028(A)
申请公布日期
1947.10.31
申请号
GB19450015987
申请日期
1945.06.22
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H03B5/34;H03F1/36
主分类号
H03B5/34
代理机构
代理人
主权项
地址
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