Test method for plastic strain ratio r for sheet metal 薄板金属塑料应变比r试验方法
Ventilation and air conditioning - folded and welded rectangular sheet metal duct fittings 通风和空调设备.折叠的和焊接的薄板金属导管连接件
Ducting for ventilation equipment ; joints for sheet metal ducting and sheet metal ducting components 通风设备管道.薄板金属管道和薄板金属部件的连接
Ventilation for buildings . sheet metal air ducts and fittings with rectangular cross section . dimensions 建筑物通风.矩形截面薄板金属送气管和配件.尺寸
Ventilation for buildings . sheet metal air ducts and fittings with circular cross section . dimensions 建筑物通风.圆形截面的薄板金属空气导管和管接头.尺寸
Standard specification for zinc casting alloy ingot for sheet metal forming dies and plastic injection molds 薄板金属成型压模和塑料注模用锌铸造合金锭标准规范
Ventilation for buildings - sheet metal air ducts and fittings with circular cross section - dimensions 建筑物通风.带有环形十字截面的薄板金属空气导管和配件.尺寸
Ventilation for buildings - sheet metal air ducts and fittings with rectangular cross - section - dimensions 建筑物通风.带有矩形十字截面的薄板金属空气导管和配件.尺寸
Ducting for ventilation equipment ; joints for sheet metal ducting and sheet metal ducting components ; examples of light joint constructions 通风设备管道.薄板金属管道和薄板金属管道付件的连接
Ventilation for buildings - sheet metal air ducts with rectangular section - requirements for strength and leakage ; german version en 1507 : 2006 建筑物通风.矩形面薄板金属送气管.强度和泄漏要求