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发明名称
APPARATUS FOR CONVEYING LOOSE MATERIALS
摘要
申请公布号
SU1318684(A1)
申请公布日期
1987.06.23
申请号
SU19864017693
申请日期
1986.02.04
申请人
FRUNZENSKIJ POLT INSTITUT
发明人
DVORNIKOV LEONID T,SU;KRASNOV VIKTOR G,SU
分类号
E21B3/00;B65G25/00
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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