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经营范围
发明名称
IMPROVEMENTS IN OR RELATING TO CALCULATING MACHINES
摘要
申请公布号
GB1293256(A)
申请公布日期
1972.10.18
申请号
GB19700049297
申请日期
1970.10.16
申请人
CITIZEN WATCH CO., LTD.
发明人
分类号
G06C7/00;G06C15/08;G06C21/04
主分类号
G06C7/00
代理机构
代理人
主权项
地址
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