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发明名称
DEVICE FOR GEOMETRICAL DRAWINGS
摘要
申请公布号
SU861111(A1)
申请公布日期
1981.09.07
申请号
SU19792737490
申请日期
1979.03.15
申请人
SHELEMIN EVGENIJ B,SU;KOLOBKOV NIKOLAJ S,SU
发明人
SHELEMIN EVGENIJ B,SU;KOLOBKOV NIKOLAJ S,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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