DEVICE FOR THE GAS LEAK TESTING OF HOLLOW STRUCTURES,申请号EP19880103753-传众专利搜索

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发明名称	DEVICE FOR THE GAS LEAK TESTING OF HOLLOW STRUCTURES
摘要
申请公布号	EP0284852(B1)	申请公布日期	1991.08.07
申请号	EP19880103753	申请日期	1988.03.10
申请人	WEATHERFORD OIL TOOL GMBH	发明人	JAENSCH, MANFRED
分类号	G01M3/20;G01M3/22;G01M3/32	主分类号	G01M3/20
代理机构		代理人
主权项
地址

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