GB/T 29580-2013 Time-based cost-allocation device for central air-conditioning

GB/T 6587-2012 General specification for electronic measuring instruments GB/T 17626.4-2008 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burst immunity test GB/T 17626.5-2008 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 17626.8-2008 GB/T 17626.11-2008 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips,short interruptions and voltage variations immunity tests GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB 4793.1-1995 Safety requirements for electrical equipment for measurement, control, and laboratory use Part 1:General requirements GB 4793.1-2007 Safety requirements for electrical equipment for measurement, control, and laboratory use—Part 1:General requirements GB/T 6388-1986 Transport package shipping mark 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 191-2025 Graphical symbols marking for handling and storage of packages