LD/T 99.12-1997
Municipal Engineering Labor Quota Tunnel Engineering (English Version)

Standard No.
LD/T 99.12-1997
Language
Chinese, Available in English version
Published By
Professional Standard - Labor and Labor Safety
Status
 2009-03
Replace By
LD/T 99.12-2008
Latest
LD/T 99.12-2008

LD/T 99.12-1997 history

  • 2009 LD/T 99.12-2008 Construction Engineering Labor Quota Municipal Engineering - Tunnel Engineering
  • 1970 LD/T 99.12-1997 Municipal Engineering Labor Quota Tunnel Engineering
Municipal Engineering Labor Quota Tunnel Engineering



Copyright ©2023 All Rights Reserved