β-甲基吡啶馏分
β-methyl pyridine fraction

2015-07-14

Standard Specification for 258-in. and 4-in. Diameter Metal Shear Plates for Use in Wood Constructions
258-in的标准规范 和4英寸 木结构用直径金属剪切板

2019-04-01

Standard Digital Reference Images for Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings
厚壁（2至412in.（50.8至114mm））钢铸件的标准数字参考图像

2019-08-15

Standard Reference Radiographs for Heavy-Walled (412 to 12 in. (114 to 305 mm)) Steel Castings
厚壁（412至12英寸）的标准参考射线照片(114至305 mm）钢铸件

2021-07-01

Standard Specification for Pressure Vessel Plates, 5 % and 51 2 % Nickel Alloy Steels, Specially Heat Treated
压力容器板材标准规范 % 和5<分数>12 % 特殊热处理镍合金钢

2022-09-01

Standard Specification for Lap-Joint Type Flange Adapters for Polyethylene Pressure Pipe in Nominal Pipe Sizes 34 in. to 65 in.
标称管道尺寸为34英寸的聚乙烯压力管用搭接式法兰接头的标准规范 到65英寸

2021-11-01