21资源列表

[深圳市地方标准] SJG 21-2011 建筑废弃物减排技术规范

[国外标准] ASTM F833-21 Standard Consumer Safety Performance Specif i cation for Carriages and Strollers

[国外标准] ASTM F2613-21 Standard Consumer Safety Specif i cation for Childrens Chairs and Stools

[团体标准] T/CAEPI 21-2019 袋式除尘用滤料技术要求

[四川省地方标准] DB5103/T 21-2020 荣县土陶生产技术规范

[云南地方标准] DB5301/T 21-2019 居住区绿地设计规范

[云南地方标准] DB5307/T 21-2019 大麦栽培技术规程

[云南地方标准] DB5305/T 21-2018 饲料大麦 保大麦14号

[计量技术规范] JJG(新) 21-2019 泥浆粘度计检定规程

[国外标准] DIN 11622-21-1994 青贮塔和粪水罐

[国外标准] BS EN 60519-21-2009 Safety in electroheat installations — Part 21 Particular requirements for resist

[国外标准] BS EN 60335-2-21-2003 Household and similar electrical appliances — Safety —

[国外标准] BS EN 60255-21-2-1988 Electrical relays. Vibration, shock, bump and seismic tests on measuring relay

[国外标准] BS EN 60034-18-21-1994 Rotating electrical machines - Functional evaluation of insulation systems -

[国外标准] BS EN 62053-21-2003 Electricity metering equipment (a.c.) — Particular requirements — Part 21 Static

[国外标准] BS EN 61534-21-2006 Powertrack systems — Part 21 Particular requirements for powertrack systems inte