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经营范围
发明名称
ALLUVIATION SLURRY PIPELINE OUTLET
摘要
申请公布号
RU1772350(C)
申请公布日期
1992.10.30
申请号
SU19904802315
申请日期
1990.03.16
申请人
MO GORNYJ INSTITUT
发明人
CHEREPANOV PAVEL V,SU;KAMYSHNIKOV IGOR G,SU;PAPULOV VLADIMIR I,SU
分类号
E21C41/26
主分类号
E21C41/26
代理机构
代理人
主权项
地址
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