COAL-WINNING MACHINERY SET,申请号SU19772529985-传众专利搜索

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发明名称	COAL-WINNING MACHINERY SET
摘要
申请公布号	SU730968(A1)	申请公布日期	1980.04.30
申请号	SU19772529985	申请日期	1977.10.04
申请人	INST GEOTEKHNICHESKOI MEKHANI	发明人	POTURAEV VALENTIN N,SU;CHERVONENKO ALFRED G,SU;STEPANYUK ANATOLIJ ,SU;GURIN IVAN A,SU;KHARCHENKO NIKOLAJ N,SU;AGAPOV NIKOLAJ D,SU;SUSHCHENKO ALEKSANDR ,SU
分类号	E21D23/00;(IPC1-7):E21D23/00	主分类号	E21D23/00
代理机构		代理人
主权项
地址

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