CGSB 69.20:1990廢止
Door Controls (closers)
出版：Canadian General Standards Board
專家解讀視頻
基本信息
標準編號： CGSB 69.20:1990
發布時間：1990/1/1 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
Gives requirements for door closers surface mounted, concealed in the door, overhead and floor. Includes thresholds and pivots for floor closers. Criteria for conformance include cycle, closing force, operational and finish tests. Also included are optional tests which must be specified separately.
