UL-437 › Standard for Key Locks
Included in this current edition are the following subparts:
8TH EDITION - May 15, 2013
CHANGE 10/17 - Oct. 24, 2017
CHANGE 01/23 - Jan. 31, 2023
CHANGE 10/17 - Oct. 24, 2017
CHANGE 01/23 - Jan. 31, 2023
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FSC 5340 (Hardware, Commercial)
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Document Number
UL-437
Revision Level
8TH EDITION
Status
Current
Publication Date
May 15, 2013
Page Count
20 pages