Supplement to American national standard safety code for elevators, dumbwaiters, escalators and moving walks.
Contributors: American National Standards Institute. Standards Committee A17 on a Safety Code for Elevators.
Publisher: American Society of Mechanical Engineers]
Published: 1979
Place of publication: [New York
Language: eng
Subjects: Elevators -- Standards -- United States; Escalators -- Standards -- United States
Notes: Includes errata to ANSI A17.1 - 1978.