EMERGENCY RELEASE FOR SUBSEA TOOL,申请号GB19840028912-传众专利搜索

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发明名称	EMERGENCY RELEASE FOR SUBSEA TOOL
摘要
申请公布号	GB8428912(D0)	申请公布日期	1984.12.27
申请号	GB19840028912	申请日期	1984.11.15
申请人	SMITH INTERNATIONAL INC	发明人
分类号	E21B33/043	主分类号	E21B33/043
代理机构		代理人
主权项
地址

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