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经营范围
发明名称
NUMERICAL DISPLAY SYSTEM
摘要
申请公布号
GB1214652(A)
申请公布日期
1970.12.02
申请号
GB19670052889
申请日期
1967.11.21
申请人
NIPPON COLUMBIA COMPANY, LIMITED
发明人
分类号
H03K21/08
主分类号
H03K21/08
代理机构
代理人
主权项
地址
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