HYDRAULIC SAFETY APPARATUS,申请号GB19850029974-传众专利搜索

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发明名称	HYDRAULIC SAFETY APPARATUS
摘要
申请公布号	GB8529974(D0)	申请公布日期	1986.01.15
申请号	GB19850029974	申请日期	1985.12.05
申请人	ORTOIL SPA	发明人
分类号	E21B33/06;E21B34/16;G05D16/18;(IPC1-7):G05D16/00	主分类号	E21B33/06
代理机构		代理人
主权项
地址

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