PROTECTED SPARK-SAFE POWER SUPPLY SYSTEM,申请号SU19874305865-传众专利搜索

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发明名称	PROTECTED SPARK-SAFE POWER SUPPLY SYSTEM
摘要
申请公布号	SU1514962(A1)	申请公布日期	1989.10.15
申请号	SU19874305865	申请日期	1987.09.15
申请人	UK VNII GORNOJ GEOMEKHANIKI MARKSHEJDERSKOGO DELA	发明人	ALEKHIN GEORGIJ N,SU
分类号	E21F9/00	主分类号	E21F9/00
代理机构		代理人
主权项
地址

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