31资源列表

[云南地方标准] DB5301/T 31-2019 用水定额 住宿业

[云南地方标准] DB5305/T 31-2018 蛋黄果栽培技术规程

[广东地方标准] DB4405/T 31-2019 潮汕蕉柑苗木

[团体标准] T/CHES 31-2019 电波（雷达）流速仪

[团体标准] T/CAMA 31-2020 玉米全膜双垄沟残膜回收机

[计量技术规范] JJF(新) 31-2019 接地线检测方法

[四川省地方标准] DB5133/T 31-2019 牦牛梨形虫怖治技术规范

[四川省地方标准] DB5101/T 31-2018 预制混凝土楼梯

[浙江省地方标准] DB3311/T 31-2019 柳叶蜡梅生产技术规程

[国外标准] NFPA 31-2001 Standard for the Installation of Oil-Burning Equipment

[国外标准] BS EN 60204-31-1998 Safety of machinery — Electrical equipment of machines — Part 31 Particular safe

[国外标准] BS EN 60068-2-31-1993 Environmental testing — Part 2.1 Tests — Test Ec —rop and topple, primarily fo

[国外标准] BS EN 60034-18-31-1994 Rotating electrical published separately machines — Part 18 Functional evalua

[国外标准] BS EN 12697-31-2007 Bituminous mixtures - Test methods for hot mix asphalt. Specimen preparation by

[国外标准] BS EN 12697-31-2004 Bituminous mixtures. Test methods for hot mix asphalt. Specimen preparation gyra

[国外标准] EN 301 489-31-2005 Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic C

[国外标准] AWS A5.31-92R Specification for Fluxes for Brazing and Braze Welding

[国外标准] BS EN 31-1999 Pedestal wash basins-Connecting dimensions

[国外标准] BS 3424-31-1990 Testing coated fabrics. Method 34. Method for determination of resistance to scuffin

[国外标准] JIS B9960-31-2004 Safety of machinery-Electrical equipment of machines-Part31：Particular safety and

[国外标准] JIS B3700-31-1996 Industrial automation systems and integration-Product data representation and exch

[国外标准] JIS C1010-31-2006 Safety requirements for hand-held probe assemblies for electrical measurement and

[其他未分类标准] GJB 31A-2000 装甲用30CrMnMoRE、30CrNi2MnMoRE和30CrNi3MOV钢板规范

[广东地方标准] DB440100/T 31-2003 超甜玉米