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GB/T 30789.5-2015
色漆和清漆 涂层老化的评价 缺陷的数量和大小以及外观均匀变化程度的标识 第5部分:剥落等级的评定
Paints and varnishes—Evaluation of degradation of coatings—Designation of quantity and size of defects,and of intensity of uniform changes in appearance—Part 5: Assessment of degree of flaking
GB 20665-2015
Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heater and gas fired heating and hot water combi-boilers
GB/T 31511-2015
Guide for the implementation of environmentally conscious design of industrial comprehensive utilization equipments
GB/T 31510-2015
Economic operation of refrigerated display cabinet systems with remote refrigerant compressor condensing units
GB/T 31516-2015
Classification method for the hazardous characterisitics of phthalic anhydride
GB/T 31514-2015
Classification method for the hazardous characterisitics of tetrahydrophthalic acid anhydride