GB/T 18690.2-2017农业灌溉设备微灌用过滤器第2部分:网式过滤器和叠片式过滤器国家标准
英文:Agricultural irrigation equipment—Filters for microirrigation—Part 2: Strainer-type filters and disc filters GB/T 186...
英文:Agricultural irrigation equipment—Filters for microirrigation—Part 2: Strainer-type filters and disc filters GB/T 186...