BS MA 39-3:1973废止
Specification for ships' ladders. Ladders, steel dog-step
出版：British Standards Institution
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基本信息
标准编号： BS MA 39-3:1973
发布时间：1973/12/21 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：8
标准简介
Specifies the dimensions, design and construction, materials and quality of finish for steel dog-step ladders formed from a series of shaped rings welded to the ships' structure. These ladders are intended for use in trunks, deep tanks, cargo oil tank bottoms, etc.
标准备注
© British Standards Institution 2013
General notes:
This standard has been withdrawn as it is no longer felt to be relevant.
Amendment notes:
AMD 4258 published 30 June 1983
等同采用的国际标准
ISO 5487:1981 - Equivalent
