METHOD AND APPARATUS FOR DETECTING DEFECTIVE PORTION ON INNER SURFACE OF PIPE,申请号EP19880112816-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR DETECTING DEFECTIVE PORTION ON INNER SURFACE OF PIPE
摘要
申请公布号	EP0304708(A3)	申请公布日期	1990.05.30
申请号	EP19880112816	申请日期	1988.08.05
申请人	NKK CORPORATION	发明人	KOSHIHARA, TOSHIO NIPPON KOKAN K.K.;MISAWA, ROKUROU NIPPON KOKAN K.K.;SAGAWA, YUZO NIPPON KOKAN K.K.;TAKEHARA, KIMIO NIPPON KOKAN K.K.;MATOBA, YUJI NIPPON KOKAN K.K.;ISHIHARA, KOJI NIPPON KOKAN K.K.
分类号	G01N25/72;(IPC1-7):G01N25/72	主分类号	G01N25/72
代理机构		代理人
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