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YB 4391-2013

YB 4391-2013_English: PDF (YB4391-2013)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)Related StandardStatusGoogle Book
YB 4391-2013EnglishRFQ ASK Days<=3 Code for acceptance of sinking and drifting engineering of ferrous mines YB 4391-2013 Valid YB 4391-2013
 

BASIC DATA
Standard ID YB 4391-2013 (YB4391-2013)
Description (Translated English) Code for acceptance of sinking and drifting engineering of ferrous mines
Sector / Industry Ferrous Metallurgy Industry Standard
Older Standard (superseded by this standard) YB J218-1989
Regulation (derived from) Ministry of Industry and Information Technology Bulletin No. 52 of 2013