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经营范围
发明名称
PARABOLA DRAWING APPLIANCE
摘要
申请公布号
SU716880(A1)
申请公布日期
1980.02.25
申请号
SU19701411771
申请日期
1970.03.02
申请人
MANSUROV BORIS K,SU;LEVIN IGOR N,SU
发明人
MANSUROV BORIS K,SU;LEVIN IGOR N,SU
分类号
B43L11/02;(IPC1-7):B43L11/02
主分类号
B43L11/02
代理机构
代理人
主权项
地址
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