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经营范围
发明名称
ROTARY DRAWING DEVICE
摘要
申请公布号
RU1784353(C)
申请公布日期
1992.12.30
申请号
SU19904898528
申请日期
1990.11.16
申请人
VNII "POLINOM"
发明人
SMIRNOV VLADIMIR V,SU;BEJLIN IZRAIL I,SU
分类号
B21D22/14
主分类号
B21D22/14
代理机构
代理人
主权项
地址
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