METHOD OF DEGASSING WHEN DRIVING PREPARATARY WORKINGS,申请号SU19803221465-传众专利搜索

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发明名称	METHOD OF DEGASSING WHEN DRIVING PREPARATARY WORKINGS
摘要
申请公布号	SU939783(A1)	申请公布日期	1982.06.30
申请号	SU19803221465	申请日期	1980.12.22
申请人	KARAGANDINSKOE OTDEL VOSTOCHNOGO NII PO BEZOPASNOSTI RABOT V GORNOJ PROMYSHLENNOSTI	发明人	SADCHIKOV VIKTOR A,SU;ISENOV BOLAT A,SU
分类号	E21F5/00;(IPC1-7):E21F5/00	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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