SHIELD SUPPORT FOR THICK INCLINED AND STEEP SEAMS,申请号SU19904883946-传众专利搜索

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发明名称	SHIELD SUPPORT FOR THICK INCLINED AND STEEP SEAMS
摘要
申请公布号	RU1796029(C)	申请公布日期	1993.02.15
申请号	SU19904883946	申请日期	1990.08.29
申请人	VNI PK UGOLNYJ I "KUZNIUI"	发明人	VORONTSOV YURIJ V,SU;ARSENOV NIKOLAJ S,SU;PISAREV VALERIJ P,SU
分类号	E21D19/02	主分类号	E21D19/02
代理机构		代理人
主权项
地址

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