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www.ChineseStandard.net Database: 189759 (26 Oct 2025)

YBJ23-1991 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YBJ 23-1991EnglishRFQ ASK 3 days [Need to translate] (Pre-drilling pressuremeter testing procedures) Obsolete YBJ 23-1991

Standard similar to YBJ23-1991

YBB002   

Basic data

Standard ID YBJ 23-1991 (YBJ23-1991)
Description (Translated English) (Pre-drilling pressuremeter testing procedures)
Sector / Industry Ferrous Metallurgy Industry Standard
Regulation (derived from) Industry-Science (2010) No.77

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