GB/T 18809-2002
空气离子测量仪通用规范
General specification for air ion measuring instruments
- 实施日期
- 2003-04-01
- ICS 分类
- 19.040
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 943 条
GB/T 18809-2002
General specification for air ion measuring instruments
GB/T 18694-2002
Non-destructive testing--Ultrasonic inspection--Characterization of search unit and sound field
GB 4793.3-2001
Safety requirements for electrical equipment for measurement,control and laboratory use--Particular requirements for laboratory equipment for mixing and stirring
GB 4793.2-2001
Safety requirements for electrical equipment for measurement,control and laboratory use--Particular requirements for hand-held current clamp for electrical measurement and test
GB 4793.7-2001
Safety requirements for electrical equipment for measurement,control and laboratory use--Particular requirements for laboratory centrifuges
GB 4793.6-2001
Safety requirements for electrical equipment for measurement,control and laboratory use--Particular requirements for laboratory equipment for the heating of materials
GB 4793.5-2001
Safety requirements for electrical equipment for measurement,control and laboratory use--Particular requirements for hand-held probe assemblies for electrical measurement and test
GB 4793.4-2001
Safety requirements for electrical equipment for measurement,control and laboratory use--Particular requirements for autoclaves using steam for the treatment of medical materials and for laboratory process
GB/T 4796-2001
Classification of environmental parameters and their severities of electric and electronic products
GB/T 2424.25-2000
Environmental testing for electric and electronic products--Part 3:Test guidance--Seismic test methods
GB/T 18134.1-2000
High-voltage testing techniques with very fast impulses--Part 1:Measuring systems for very fast front overvoltages generated in gas-insulated substations
GB/T 2421-1999
Environmental testing for electric and electronic products--Part 1:General and guidance
GB/T 1172-1999
Conversion of hardness and strength for ferrous metal
GB/T 17455-1998
Non-destructive testing--Metallographic replica techniques of surface examination
GB/T 8993-1998
Environmental conditions and testing procedures for nuclear instrumentation
GB/T 14093.6-1997
Environmental technical requirements of machinery products for ocean environment
GB/T 14092.7-1997
Environmental condition for machinery products--Dry heat
GB/T 14093.5-1997
Environmental technical requirements of machinery products for dry heat environment
GB/T 2423.49-1997
Environmental testing for electric and electronic products--Part 2:Test methods--Test Fe:Vibration--Sine-beat method
GB/T 2423.47-1997
Environmental testing for electric and electronic products--Part 2:Test methods--Test Fg:Vibration,acoustically induced