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经营范围
发明名称
PARABOLA-DRAWING INSTRUMENT
摘要
申请公布号
SU592630(A1)
申请公布日期
1978.02.15
申请号
SU19742018587
申请日期
1974.04.23
申请人
BORUKHMAN ILYA ARKADEVICH,SU;VALUNSKIJ EVGENIJ DMITRIEVICH,SU
发明人
BORUKHMAN ILYA ARKADEVICH,SU;VALUNSKIJ EVGENIJ DMITRIEVICH,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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