B S T 2 0 0 6 , U n c o n t r o l l e d C o p y , ( c ) B S I BS EN 1452-2:2000 © BSI 10-2000 i The responsible UK committee gives the following advice concerning the selection and installation of piping systems and components conforming to this British Standard....
23.040.20; 23.040.45; 91.140.60; 93.025NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDPlastics pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure— Unplasticizedpoly(vinyl chloride)(PVC-U)Part 1: General (ISO 1452-1...
( , y p o C d e l l o r t n o c n U For the purposes of this standard, the definitions, symbols and abbreviations given in EN 1452-1 apply , 6 together with the following: 0 0 2 T S B 4 3 : 3 4 : 2 1 2 1 t c O u h T , y g o l o n h c e T f o...
BRITISH STANDARD BS EN ISO 1452-2:2009 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) Part 2: Pipes (ISO 1452-2:2009) ICS ; ; ; ...
Information technology cloud computing service system Part 4: Cloud service management 点击打开全屏PDF预览 点击查看大图 标准号 BS 1452:1990 1990年 总页数 6页 发布单位 英国标准学会 当前最新 BS 1452:1990 购买 正式版 8个等级的最小抗拉强度。
23.040.20; 23.040.45; 91.140.60; 93.025NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDPlastics pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure— Unplasticizedpoly(vinyl chloride)(PVC-U)Part 2: Pipes (ISO 1452-2:...
BS EN ISO 1452-3. Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure. Unplasticized poly (vinyl chloride) (PVC U). Part 3. Fittingsdoi:BS 08/30168684 DC参考参考参考参考参考参考参考参考参考参考参考参考参考参考参考参考参考参考参考参考参考...
《BS-6340-6-1983.pdf》由会员分享,可在线阅读,更多相关《BS-6340-6-1983.pdf(12页珍藏版)》请在人人文库网上搜索。 british standard bs 6340-6: 1983 incorporating amendment no. 1 shower units part 6: specification for prefabricated shower trays made from porcelain enamelled cast iron udc 696.144.2...
492 DS DS/EN 2240-025-2010 2010-03-16 English Aerospace series - Lamps, incandescent - Part 025: Lamp, code 328 - Product standard 493 DS DS/EN ISO 1452-4-2010 2010-03-16 English Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressu...
本文件介绍了用伽马射线光谱法测定测试样品中伽马射线放射性核素的贝克勒尔 (Bq) 活度的方法。测量是在适当的样品制备后在测试实验室中进行的。测试样品可以是固体、液体或气体。应用包括:— 对核设施或排放高水平天然放射性物质的场所释放的放射性进行常规监测;— 有助于确定环境中放射性的演变;— 调查事故和事件情...