Техника сельскохозяйственная. Машины для подготовки семян. Методы испытаний
农业机械 种子加工机 试验方法
ASTM D7835/D7835M-23
Standard Test Method for Determining the Solvent Resistance of an Organic Coating Using a Mechanical Rubbing Machine
用机械摩擦机测定有机涂层耐溶剂性的标准试验方法
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ASTM D2047-25
Standard Test Method for Static Coefficient of Friction of Polish-Coated Flooring Surfaces as Measured by the James Machine
用詹姆斯机器测量的波兰涂层地板表面的静态摩擦系数的标准测试方法
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ASTM D7027-20
Standard Test Method for Evaluation of Scratch Resistance of Polymeric Coatings and Plastics Using an Instrumented Scratch Machine
使用仪器划痕机评价聚合物涂料和塑料的耐划痕性的标准试验方法