IEC 60621-4 Ed. 1.0废止
Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 4: Requirements for the installation
出版：International Electrotechnical Committee
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基本信息
标准编号： IEC 60621-4 Ed. 1.0
发布时间：1981/1/1 0:00:00
标准类别：Standard
出版单位：International Electrotechnical Committee
标准页数：39
标准简介
Comprises the following chapters: Chapter I: Winning, stacking and primary processing machinery: Chapter II: Transport conveyor systems: Chapter Ill: Pumping and water supply systems.
等同采用的国际标准
AS 3007.4-1987 - Equivalent
BS 6907-4:1988 - Similar
AS 3007.4-2004 - Equivalent
UNE 21621-4:1995 - Identical
本标准修订后的版本
