METHOD OF SPRAYING PRESSURIZED LIQUID OVER A CUTTING TOOL AND/OR MINE FACE AND APPARATUS THEREFOR,申请号PL19840246773-传众专利搜索

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发明名称	METHOD OF SPRAYING PRESSURIZED LIQUID OVER A CUTTING TOOL AND/OR MINE FACE AND APPARATUS THEREFOR
摘要
申请公布号	PL141858(B1)	申请公布日期	1987.08.31
申请号	PL19840246773	申请日期	1984.03.20
申请人		发明人
分类号	E21C25/60;B23Q11/10;E21C35/22;E21C35/23;E21D9/10;E21F5/02;(IPC1-7):E21C35/22	主分类号	E21C25/60
代理机构		代理人
主权项
地址

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