
水处理剂 硫酸亚铁
Water treatment chemicals-Ferrous sulphate
Water treatment chemicals-Ferrous sulphate
Aluminum rail tank cars
Specifications for urea high pressure condenser
Plastics-Detemination of compressive properties
Plastics-Determination of tensile properties Part 4:Test conditions for isotropic and orthotropic fibre-reinforced plastic composites
Plastics-Determination of tensile properties Part 2: Test conditions for moulding and extrusion plastics
Plastics-Determination of tensile propertiesnPart 1:General principles
Plastics-Determination of tensile properties-Part 5 : Test conditions forunidirectional fibre-reinforced plastic composites
Test method for coefficient of linear thermal expansion of plastics between -30? and 30 ? with a vitreous silica dilatometer
Plastics-Film and sheeting-Determination of gas-transmission rate-Part 2: Equal-pressure methods