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发明名称
DEVICE FOR DETERMINING THE RATIO OF TWO VALUES IN PER CENTS
摘要
申请公布号
SU798873(A1)
申请公布日期
1981.01.23
申请号
SU19772550765
申请日期
1977.12.01
申请人
GONCHAROV IVAN A,SU
发明人
GONCHAROV IVAN A,SU
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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