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Standard for central-stations for watchman, fire-alarm, and supervisory services
Corporate Author:
American National Standards Institute
Additional Titles:
Central-stations for watchman, fire-alarm, and supervisory services and At head of cover title: Standard for safety
Published:
Northbrook, Ill. : Underwriters' Laboratories, [1972]
Copyright Date:
©1972
Edition:
2nd ed., 1st impression, Oct., 1972.
Physical Description:
10 pages : illustrations ; 28 cm.
Additional Creators:
Underwriters' Laboratories
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Series:
Standard for safety ; UL 827
Report Numbers:
UL 827
ANSI SE 3.1-1972
Subject(s):
Fire alarms
—
Standards
Signals and signaling
—
Standards
Note:
Caption title from page 4.
"Approved as ANSI SE 3.1-1972, June 19, 1972"--Title page verso.
"First edition--September, 1971"--Title page verso.
"ANSI SE 3.1-1972."
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| catkey: 20062439