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经营范围
发明名称
Improvements in or relating to radio receivers
摘要
申请公布号
GB611989(A)
申请公布日期
1948.11.05
申请号
GB19460017000
申请日期
1946.06.04
申请人
P.R.T. LABORATORIES LIMITED;PAUL ADALBERT FELDMANN
发明人
分类号
H03G11/00
主分类号
H03G11/00
代理机构
代理人
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地址
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