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经营范围
发明名称
STOWING SCRAPER-PLOUGH
摘要
申请公布号
SU1709087(A1)
申请公布日期
1992.01.30
申请号
SU19904790311
申请日期
1990.02.12
申请人
DO POLT INSTITUT
发明人
BONDARENKO YURIJ V,SU;TELICHKO VLADISLAV I,SU;SAPITSKIJ KONSTANTIN F,SU;MAKEEV ALEKSANDR YU,SU
分类号
E21C27/42
主分类号
E21C27/42
代理机构
代理人
主权项
地址
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