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发明名称
DEVICE FOR DRAWING PARABOLA
摘要
申请公布号
SU628006(A1)
申请公布日期
1978.10.15
申请号
SU19762421030
申请日期
1976.11.18
申请人
TABATSKOV VYACHESLAV P,SU;BERGER EMIL G,SU
发明人
TABATSKOV VYACHESLAV P,SU;BERGER EMIL G,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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