Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment
水质.生态评估用摇蚊（双翅目）蛹蜕皮取样和处理指南；德文版EN 15196:2006

2006-10-01

Water quality. Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment
水质 生态评估用摇蚊科（双翅目）蛹蜕皮取样和处理指南

2006-08-31

Water quality - Sampling, Part 5: Guidance on sampling of drinking water and water used for food and beverage processing
水质取样第5部分:饮用水和食品饮料加工用水取样指南

1998-04-05