BS 8221-1-2000 Code of practice for cleaning and surface repair of buildings Part 1 Cleaning of natu

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语言版本：英文版

标准类别：国外标准

关键词： BS 8221 2000 Code of

标准简介

BS 8221-1-2000 Code of practice for cleaning and surface repair of buildings Part 1 Cleaning of natural stones, brick, terracotta and concrete