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经营范围
发明名称
Improvements in automatic regulation in radio receivers
摘要
申请公布号
GB493542(A)
申请公布日期
1938.10.05
申请号
GB19370000329
申请日期
1937.01.05
申请人
JOHNSON LABORATORIES INCORPORATED
发明人
分类号
H03G3/26;H03H7/01
主分类号
H03G3/26
代理机构
代理人
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地址
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