CGSB 69.31:1989廢止
Closer Holder Release Devices
出版：Canadian General Standards Board
專家解讀視頻
基本信息
標準編號： CGSB 69.31:1989
發布時間：1989/12/1 0:00:00
標準類別：Standard
出版單位：Canadian General Standards Board
標準頁數：0
標準簡介
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.
標準備注
Also numbered as BHMA A156.15 (05/2001)
等同采用的國際標準
BHMA A156.15:2006 - Equivalent
