DIN 1184-4-1992《饲养技术;挤奶设备;检验》
This standard gives directives for planning of screw pumps for pumping stations. The standard is only noable together with DIN 1184 part 1.
This standard gives directives for planning of screw pumps for pumping stations. The standard is only noable together with DIN 1184 part 1.