GB/T 39542.3-2025
技术制图活动铅笔 第3部分:黑铅芯 HB铅芯弯曲强度
Mechanical pencils for technical drawings—Part 3:Black leads—Bending strengths of HB leads
- 实施日期
- 2025-05-30
- 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。
找到 70,494 条
GB/T 39542.3-2025
Mechanical pencils for technical drawings—Part 3:Black leads—Bending strengths of HB leads
GB/T 39542.2-2025
Mechanical pencils for technical drawings—Part 2:Black leads—Classification and dimensions
GB/T 45692-2025
General rules for cleaning services of construction
GB/T 14598.27-2025
Measuring relays and protection equipment—Part 27: Product safety requirements
GB/T 14598.26-2025
Measuring relays and protection equipment—Part 26: Electromagnetic compatibility requirements
GB/T 14598.2-2025
Measuring relays and protection equipment—Part 1: Common requirements
GB/T 45744-2025
Specification for quality control of science and technology evaluation service
GB/T 45747-2025
Ageing societies—General requirements and guidelines for older person-inclusive digital economy
GB/T 45661-2025
Determination for dangerous quantities of radioactive material
GB/T 44554.2-2025
Requirements for electronic credential entry—Part 2:Value added tax electronic invoice
GB/T 45693-2025
Specifications for operation and services of mobile terminal animation and comics
GB/T 19437-2025
Graphic technology—Spectral measurement and colorimetric computation for graphic arts images
GB/T 17934.6-2025
Graphic technology—Process control for the production of half-tone colour separations, proofs and production prints—Part 6: Flexographic printing
GB/T 45699-2025
Grading of social art level—Level setting and examination requirements—Drawing
GB/T 45698-2025
Measurement of customer satisfaction in property service
GB/T 45700-2025
Property management terminology
GB/T 20441.8-2025
Electroacoustics—Measurement microphones—Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
GB/T 20441.7-2025
Electroacoustics—Measurement microphones—Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones
GB/T 45828-2025
Quality information description of shared idle items
GB/T 45821-2025
Turbine compressors for ammonia and urea plant