60721-2-1 AMD 1-1987 Amendment 1 Classification of Environmental Conditions Part 2: Environmental Conditions Appearing in Nature Temperature and Humidity (Edition 1.0)
Amendement 1 Classification des conditions d'environnement Deuxième partie: Conditions d'environnement présentes dans la nature Température et humidité (Edition 1.0)
Amendment 1 Classification of Environmental Conditions Part 2: Environmental Conditions Appearing in Nature Temperature and Humidity (Edition 1.0) 是非强制性国家标准,您可以免费下载前三页
PREFACE This amendment has been prepared by IEC Technical Committee No. 75: Classification of Environmental Conditions. The text of this amendment is based on the following documents: Full information on the voting for the approval of this amendment can be found in the Voting Reports indicated in the above table.