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内容提示: BRITISH STANDARDCONFIRMED NOVEMBER 1983BS 1873:1975Incorporating Amendment No. 1Specification forSteel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industriesUDC 621.646.2:669.14:[622.323 + 662.753 + 665.6] 文档格式:PDF...
BRITISH STANDARDBS EN 1873:2005Prefabricated accessories for roofing — Individual roof lights of plastics — Product specification and test methodsThe European Standard EN 1873:2005 has the status of a British StandardICS 91.060.2012 &23<,1* :,7+287 %6, 3(50,66,21 (;&(37 $6 3(50,77...
关于我们 关于道客巴巴 人才招聘 联系我们 网站声明 网站地图 APP下载 帮助中心 会员注册 文档下载 如何获取积分 关注我们 新浪微博 关注微信公众号 道客巴巴网站 版权所有 | ©2008-2024 | 网站备案:京ICP备18056798号-1 京公网安备11010802036365号 ...
内容提示: BRITISH STANDARDCONFIRMED NOVEMBER 1983BS 1873:1975Incorporating Amendment No. 1Specification forSteel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industriesUDC 621.646.2:669.14:[622.323 + 662.753 + 665.6]Licensed Copy: ...
BRITISHSTANDARDCONFIRMEDNOVEMBER1983BS1873:1975IncorporatingAmendmentNo.1SpecificationforSteelglobeandglobestopandcheckvalvesflangedandbutt-weldingendsforthepetroleumpetrochemicalandalliedindustriesUDC61.646.:669.14:[6.33+66.753+665.6]COPYRIGHT003;Britis