发明名称 Pentaerythritol in dry developers
摘要 A method and composition for detecting surface flaws in workpieces by means of the penetrant inspection process, the invention being concerned with an improved dry developer composition for use in such process, the developer containing substantial amounts of pentaerythritol, usually in combination with a finely divided inert powder.
申请公布号 US4295362(A) 申请公布日期 1981.10.20
申请号 US19800123683 申请日期 1980.02.22
申请人 MAGNAFLUX CORPORATION 发明人 WHITE, MICHAEL L.
分类号 G01N21/91;(IPC1-7):C09K3/00;G01N19/08;G01N33/00 主分类号 G01N21/91
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