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发明名称
LOGARITHMIC CALCULATING APPLIANCE
摘要
申请公布号
GB8328320(D0)
申请公布日期
1983.11.23
申请号
GB19830028320
申请日期
1983.10.24
申请人
DUCE, H J
发明人
分类号
G06G1/04;(IPC1-7):G06G1/04
主分类号
G06G1/04
代理机构
代理人
主权项
地址
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