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发明名称
METHOD OF DREDGING
摘要
申请公布号
RU2099532(C1)
申请公布日期
1997.12.20
申请号
RU19940018052
申请日期
1994.05.17
申请人
KRASNOYARSKAYA GOSUDARSTVENNAYA AKADEMIYA TSVETNYKH METALLOV I ZOLOTA
发明人
MORIN ANDREJ S;BUTKIN VLADIMIR D;SHAMOV ALEKSANDR S
分类号
E21C50/00;(IPC1-7):E21C50/00
主分类号
E21C50/00
代理机构
代理人
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地址
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