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GB/T 17466.21-2022
家用和类似用途固定式电气装置的电器附件安装盒和外壳 第21部分:用于悬吊装置的安装盒和外壳的特殊要求
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 21: Particular requirements for boxes and enclosures with provision for suspension means
GB/T 17466.23-2022
家用和类似用途固定式电气装置的电器附件安装盒和外壳 第23部分:地面安装盒和外壳的特殊要求
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 23: Particular requirements for floor boxes and enclosures
GB/Z 41305.2-2022
Environmental conditions—Vibration and shock of electrotechnical equipment—Part 2: Equipment during storage and handling
GB/T 24114.1-2022
Elecrtical equipments of machines—Sewing machinery numerical control system—Part 1:General technical specification
GB/T 29315-2022
Security requirements for primary and secondary schools and kindergartens
GB/T 17215.303-2022
Electricity metering equipment(AC)—Particular requirements—Part 3: Digital input electricity meter
GB/T 41490-2022
Silicon nitride ceramics—Test method for rolling contact fatigue at room temperature—Balls-on-flat method
GB/Z 41399-2022
Non-destructive testing instruments—Industrial digital X-ray imaging system