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经营范围
发明名称
Improvements in and relating to electric signal apparatus
摘要
申请公布号
GB1060921(A)
申请公布日期
1967.03.08
申请号
GB19650003248
申请日期
1965.01.25
申请人
PHILCO CORPORATION
发明人
分类号
H03J3/14
主分类号
H03J3/14
代理机构
代理人
主权项
地址
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