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发明名称
EJECTOR
摘要
申请公布号
SU918438(A1)
申请公布日期
1982.04.07
申请号
SU19802983034
申请日期
1980.09.17
申请人
VOSTOCHNYJ NI GORNORUDNYJ INSTITUT
发明人
POKIDCHENKO VYACHESLAV M,SU;KLUBOV SERGEJ YA,SU;KOVALEV VITALIJ I,SU;KROTENKO BORIS N,SU
分类号
E21F1/00;(IPC1-7):E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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