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经营范围
发明名称
Improvements in or relating to remotely controllable tuning arrangements
摘要
申请公布号
GB493862(A)
申请公布日期
1938.10.17
申请号
GB19370010776
申请日期
1937.04.15
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;JOHN FORREST RAMSAY
发明人
分类号
H03J9/00
主分类号
H03J9/00
代理机构
代理人
主权项
地址
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