PRESSURE TUBE WITH DEFLECTING SECTION,申请号GB19900005643-传众专利搜索

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发明名称	PRESSURE TUBE WITH DEFLECTING SECTION
摘要
申请公布号	GB9005643(D0)	申请公布日期	1990.05.09
申请号	GB19900005643	申请日期	1990.03.13
申请人	VETCO GRAY INC	发明人
分类号	E21B33/038	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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