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发明名称
INSTRUMENT FOR REPRODUCTION OF CURVES
摘要
申请公布号
SU1664589(A1)
申请公布日期
1991.07.23
申请号
SU19884494065
申请日期
1988.08.29
申请人
KORSHUNOV YURIJ YU,SU
发明人
KORSHUNOV YURIJ YU,SU
分类号
B43L11/00
主分类号
B43L11/00
代理机构
代理人
主权项
地址
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