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经营范围
发明名称
A device for making precise mechanical adjustments, such as tuning radio apparatus
摘要
申请公布号
GB582136(A)
申请公布日期
1946.11.06
申请号
GB19430006257
申请日期
1943.07.08
申请人
VICTOR SAMUEL JOHNSON
发明人
分类号
H03J1/14
主分类号
H03J1/14
代理机构
代理人
主权项
地址
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