DL/T 665-2009 Inspection guide for water and steam integrated sampling and on-line analysing unit

DL/T 665-1999 Water vapor concentrating sampling analysis device acceptance criteria

DL/T 665-2021

DL/T 869-2012 Welding Technical Regulations for Thermal Power Plant DL/T 869-2004 Welding Procedures for Thermal Power Plants DL/T 913-2005 Quality inspection guide for water quality analyzers in thermal power plant GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2423.38-1990 Basic environmental test procedures for electric and electronic products Test R:Water test method GB/T 2423.38-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test R:Water test method and guidance GB/T 2423.38-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test R:Water test method and guidance GB/T 2423.38-2021 Environmental testing—Part 2:Test methods—Test R:Water test method and guidance GB/T 3047.1-1995 Series of basic dimensions of panels, rack and cabinets for vertical increment of 20mm GB/T 3181-1995 Color standard for paint film GB/T 3181-2008 Colour standard for paint film GB/T 4026-1992 Identification of electric equipment terminals and of terminations of certain designated conductors, including general rules for an alphanumeric system GB/T 4026-2004 Basic and safety principles for man-machine interface, marking and identification-identification of equipment terminals and of terminations of certain designated conductors, including general rules for an alphanumeric system GB/T 4026-2010 Basic and safety principles for man-machine interface,marking and identification—Identification of equipment terminals and conductor terminations GB/T 4026-2019 Basic and safety principles for man-machine interface,marking and identification—Identification of equipment terminals,conductor terminations and conductors GB 50171-2012 Code for construction and acceptance of switchboard outfit complete cubicle and secondary circuit electric equipment installation engineering GB/T 4026-2025 Basic and safety principles for man-machine interface,marking and identification—Identification of equipment terminals,conductor terminations and conductors GB/T 14976-2025 Seamless stainless steel pipes for fluid transport GB/T 191-2025 Graphical symbols marking for handling and storage of packages DL/T 869-2021 Welding Technical Regulations for Thermal Power Plant