GB 9175-1988
环境电磁波卫生标准
Hygienic standard for environmental electromagneticwaves
- 实施日期
- 1989-01-01
- ICS 分类
- 13.280
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 9175-1988
Hygienic standard for environmental electromagneticwaves
GB/T 2011-1987
Method of sampling and sample preparation of manganeseores in bulk
GB/T 2010-1987
Method of sampling and sample preparation of talc in bulk
GB/T 2008-1987
Method of sampling and sample preparation of fluorspar in bulk
GB/T 2007.7-1987
General rules for the sampling and sample preparation of minerals in bulk--The method for determination of size by manual sieving
GB/T 2007.6-1987
General rules for thesampling and sample preparation of minerals in bulk--Determination of moisture content--Heat drying method
GB/T 2007.1-1987
General rules for the sampling and sample preparation of minerals in bulk--Sampling by manual method
GB/T 2009-1987
Method of sampling and sample preparation of bauxite in bulk
GB/T 2007.3-1987
General rules for the sampling and sample preparation of minerals in bulk--Experimental method for evaluation of quality variation
GB/T 8411.1-1987
Porcelain insulating material for electrical applications--Part 1:Definition,classification and properties
GB 772-1987
Technical specifications of porcelain elementfor high voltage insulators
GB/T 1394-1987
Gangway hanger
GB/T 1393-1987
Gangway turning device
GB/T 1391-1987
Turnable treads steel gangway ladder
GB/T 8445-1987
Conventions concerning electric and magnetic circuits
GB/T 3320.1-1987
Frequency response test record
GB/T 8378-1987
Test methods for fittings of solid web steel frame
GB/T 8377-1987
Technical requirements for fittings of solid web steel frame
GB/T 8376-1987
Basic dimensions for fittings of solid web steel frame
GB/T 8375-1987
Classification and type nomenclature for taps