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发明名称
CALCULATOR
摘要
申请公布号
GB8609349(D0)
申请公布日期
1986.05.21
申请号
GB19860009349
申请日期
1986.04.17
申请人
HALSTEAD, M L
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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