Apparatus for detecting coating holidays in metal pipeline walls utilizing helically wound pick-up coils and selfcontained power system,申请号US19630275915-传众专利搜索

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发明名称	Apparatus for detecting coating holidays in metal pipeline walls utilizing helically wound pick-up coils and selfcontained power system
摘要
申请公布号	US3284702(A)	申请公布日期	1966.11.08
申请号	US19630275915	申请日期	1963.04.26
申请人	CAMCO, INCORPORATED	发明人	OWNBY WARREN G.
分类号	C23F13/04;G01N17/00;G01N27/20;G01N27/90	主分类号	C23F13/04
代理机构		代理人
主权项
地址

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