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经营范围
发明名称
COAL PLANER
摘要
申请公布号
SU1661411(A1)
申请公布日期
1991.07.07
申请号
SU19894673196
申请日期
1989.04.04
申请人
SHAKHTINSKI NI PK UGOLNY INST
发明人
BONDARENKO OLEG A,SU;GAVRILYUK SERGEJ V,SU;BYKADOROV VALERIJ M,SU;BORTSOV ALEKSANDR V,SU;OSHEROV BORIS A,SU;PODOLSKIJ EDUARD D,SU
分类号
E21C27/32
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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