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发明名称
AIRLIFT DEVICE FOR WINNING MINERALS FROM WATER BASIN BOTTOM
摘要
申请公布号
SU907167(A1)
申请公布日期
1982.02.23
申请号
SU19802944051
申请日期
1980.06.23
申请人
IVANOVSKIJ ENERGETICHESKIJ I IM. V.I.LENINA
发明人
MAKAROV VIKTOR N,SU;KULIKOV ALEKSEJ D,SU
分类号
E02F3/88;F04F1/18;(IPC1-7):E02F3/88
主分类号
E02F3/88
代理机构
代理人
主权项
地址
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