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发明名称
SCRAPER ARRANGEMENT
摘要
申请公布号
SU1442612(A1)
申请公布日期
1988.12.07
申请号
SU19864153373
申请日期
1986.11.28
申请人
TSNI GEOLOGORAZVEDOCHNYJ I TSVETNYKH BLAGORODNYKH METALLOV
发明人
SOKOLENKO LEONID A,SU;LEBEDEV VIKTOR V,SU;GRIGOREV BORIS G,SU
分类号
E02F3/54;E21F13/00
主分类号
E02F3/54
代理机构
代理人
主权项
地址
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