NEN ISO 20712-2:2008现行
Water Safety Signs And Beach Safety Flags - Part 2: Specifications For Beach Safety Flags - Colour, Shape, Meaning And Performance
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines requirements for the shape and colour of beach safety flags for the management of activities on coastal and inland beaches, to be used for giving information on wind and water conditions and other hazardous conditions, and also to indicate the location of swimming and other aquatic activity zones extending from the beach into the water. It also specifies the colorimetric and photometric properties and the physical properties, including strength and colour fastness, of the materials from which beach safety flags are to be made.
ISO 20712-2:2007 - Identical
