BS 4721:1981被替代
Specification for ready-mixed building mortars
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 4721:1981
发布时间：1981/7/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：16
标准简介
Specifies ready-mixed lime; sand for site prepared mortars and plasters; factory-made ready-to-use retarded mortars for masonry, plastering and rendering; factory-made ready-to-use retarded mortars for screeds. An appendix gives guidance for users of these materials.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 4120 published 15 November 1982
AMD 5041 published 31 March 1986
