Klaeranlagen. Vorklaerung Wastewater Treatment Plants-Part 4:Primary Settlement Stations d'epuration. Decantation primaire CORR 13961:June 21,2002;
实施日期:2002-04-03
Materialien fuer Wasserhahn-und Abstellventilsitz-Unterlegscheiben. Spezifikation Specification for Materials for water tap and stopvalve seat washers Materiaux pour rondelles d'etancheite de robinets ...
实施日期:1973-10-08
实施日期:2006-02-21
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 5: Specific principles for plants for anaerobic wastewater treatment
Shutt off valves for shipboard use, of cast iron, with flanges, DN 15 to 500
实施日期:2009-03-01
Respiratory protective devices. Gas cylinder valves. Part 3:Outlet connections for diving gases Nitrox and oxygen Incorporating corrigendum December 2003
实施日期:2003-02-01
Bronze Flanged Gate Valves (10kgf/c㎡)
发布日期:1980-08-13 实施日期:1985-03-26
Marine forged steel male thread stop valves
发布日期:2008-02-14 实施日期:2008-09-01
Shutt off valves for shipboard use, of gun metall, with flanges, DN 15 to 500
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