SAFETY DEVICE FOR HYDRAULIC PROP OF MINE SUPPORT,申请号SU19874357281-传众专利搜索

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发明名称	SAFETY DEVICE FOR HYDRAULIC PROP OF MINE SUPPORT
摘要
申请公布号	SU1536006(A1)	申请公布日期	1990.01.15
申请号	SU19874357281	申请日期	1987.10.26
申请人	VNI PK UGOLNYJ INSTITUT	发明人	BOBROV GENNADIJ N,SU;GORODILOV NIKOLAJ N,SU;KUKUSHKIN GENNADIJ U,SU;FOMIN ALEKSANDR G,SU
分类号	E21D15/44	主分类号	E21D15/44
代理机构		代理人
主权项
地址

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