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发明名称
HYDRAULIC MINING PROP
摘要
申请公布号
GB2190963(B)
申请公布日期
1989.10.18
申请号
GB19870009167
申请日期
1987.04.16
申请人
* VESZPREMI SZENBANYAK
发明人
MATYAS * MARTINKO;FERENC * PERA;JOZSEF * FENYO;CSABA * CZOMA
分类号
E21D15/51;F15B11/036;F15B15/14
主分类号
E21D15/51
代理机构
代理人
主权项
地址
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