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发明名称
摘要
申请公布号
SU542210(A1)
申请公布日期
1977.01.05
申请号
SU19752183040
申请日期
1975.10.20
申请人
发明人
分类号
G06J1/00;G06G7/26;(IPC1-7):G06J1/00
主分类号
G06J1/00
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代理人
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