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经营范围
发明名称
ELECTRONIC DESK CALCULATOR
摘要
申请公布号
JPS5671160(A)
申请公布日期
1981.06.13
申请号
JP19790146482
申请日期
1979.11.14
申请人
CANON KK
发明人
OKUYAMA TSUTOMU
分类号
G06F15/02;G06F1/00
主分类号
G06F15/02
代理机构
代理人
主权项
地址
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