GB/T 39542.1-2020
技术制图活动铅笔 第1部分:分类、尺寸、性能要求和试验
Mechanical pencils for technical drawings—Part 1: Classification, dimensions, performance requirements and testing
- 实施日期
- 2020-07-21
- ICS 分类
- 97.180
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 39542.1-2020
Mechanical pencils for technical drawings—Part 1: Classification, dimensions, performance requirements and testing
GB/T 39542.3-2020
Mechanical pencils for technical drawings—Part 3: Black leads—Bending strengths of HB leads
GB/T 23127-2020
Electric appliances connected to the water mains—Avoidance of backsiphonage and failure of hose-sets
GB/T 37853-2019
Gel ink ball pens and refills
GB/T 26714-2019
Ball point pens and refills
GB/T 32017-2019
Roller ball pens and refills
GB/T 37651-2019
Stationery goods—Safety signs
GB/T 37634-2019
Locksets—Test methods
GB/T 37624-2019
Stationery and sport products and parts—General requirements on volatile organic compounds (VOC)
GB/T 23131-2019
Household and similar electrical toilets
GB/T 36920-2018
Locksets─Terminology
GB/T 23332-2018
Humidifiers
GB/T 23147-2018
Umbrella
GB/T 23103-2018
Beach umbrella
GB/T 35937-2018
Household and similar drinking water purifier performance test method
GB/T 35456-2017
Stationery and sport products and its parts—Test method for volatile organic compounds (VOC)
GB/T 23119-2017
Household and similar electrical appliances—Water for performance testing
GB/T 32478-2016
Household and similar electrical appliances method of measuring performance —Assessment of repeatability and reproducibility
GB/T 32025-2015
Aluminum coated glass mirror
GB/T 32017-2015
Roller ball pens and refills