CGSB 69.31:1989废止
Closer Holder Release Devices
出版：Canadian General Standards Board
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基本信息
标准编号： CGSB 69.31:1989
发布时间：1989/12/1 0:00:00
标准类别：Standard
出版单位：Canadian General Standards Board
标准页数：0
标准简介
Establishes requirements for door closers combined with hold-open devices or free-swinging door closers combined with releasing devices. Performance tests covering operational, cyclical and finish criteria are included.
标准备注
Also numbered as BHMA A156.15 (05/2001)
等同采用的国际标准
BHMA A156.15:2006 - Equivalent
