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发明名称
APPLIANCE FOR REPRODUCING CURVES IN POLAR COORDINATE SYSTEM
摘要
申请公布号
SU612834(A1)
申请公布日期
1978.06.30
申请号
SU19752199361
申请日期
1975.12.12
申请人
KOVALEV NIKOLAJ A,SU
发明人
KOVALEV NIKOLAJ A,SU
分类号
B43L11/00;(IPC1-7):B43L11/00
主分类号
B43L11/00
代理机构
代理人
主权项
地址
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