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发明名称
DEVICE FOR DRAWING CURVES MAINLY ELLIPSES
摘要
申请公布号
SU910473(A1)
申请公布日期
1982.03.07
申请号
SU19802979072
申请日期
1980.08.15
申请人
BIZIN SERGEJ,SU;PALNIKOV NIKOLAJ M,SU
发明人
BIZIN SERGEJ I,SU;PALNIKOV NIKOLAJ M,SU
分类号
B43L11/04;(IPC1-7):B43L11/04
主分类号
B43L11/04
代理机构
代理人
主权项
地址
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