American national standard safety code for elevators, dumbwaiters, escalators, and moving walks
Subtitle: covering their design, construction, installation, operation, inspection, testing, maintenance, alteration, and repair
By: secretariats, National Bureau of Standards, the American Institute of Architects, the American Society of Mechanical Engineers.
Edition: 9th ed.
Publisher: The Society
Published: 1978
Place of publication: New York
Language: eng
Number of pages: 339
Subjects: Elevators -- Standards -- United States.; Escalators -- Standards -- United States.
Notes: "ANSI A17.1-1978."