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发明名称
SCRAPER PLOUGH
摘要
申请公布号
SU859630(A1)
申请公布日期
1981.08.30
申请号
SU19792777562
申请日期
1979.06.07
申请人
DO POLT INSTITUT
发明人
SAPITSKIJ KONSTANTIN F,SU;BONDARENKO YURIJ V,SU;NOVIKOV VLADIMIR I,SU;MOROZ OLEG K,SU;STIFEEV ALEKSANDR F,SU
分类号
E21C27/42;(IPC1-7):E21C27/42
主分类号
E21C27/42
代理机构
代理人
主权项
地址
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