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经营范围
发明名称
Improvements in electrical oscillation generators and time bases
摘要
申请公布号
GB547949(A)
申请公布日期
1942.09.18
申请号
GB19410003441
申请日期
1941.03.13
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;NORMAN LAURENCE YATES-FISH
发明人
分类号
H03K4/12;H03K6/02
主分类号
H03K4/12
代理机构
代理人
主权项
地址
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