PREN 4050-3 : 200P1被替代
AEROSPACE SERIES - TEST METHOD FOR METALLIC MATERIALS - ULTRASONIC INSPECTION OF BARS, PLATES, FORGING STOCK AND FORGINGS - REFERENCE BLOCKS
出版：Aerospace & Defence Industries Association of Europe
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基本信息
標準編號： PREN 4050-3 : 200P1
標準類別：Draft
出版單位：Aerospace & Defence Industries Association of Europe
標準頁數：9
標準簡介
Covers the requirements for the manufacture, checking and marking of the series of ultrasonic testing reference blocks containing flat bottom holes (FBH) which define the indicated defect size to which reference is made in EN standards.
替代本標準的新標準
