Supplement to American national standard safety code for elevators, dumbwaiters, escalators and moving walks.

Bibliographic Details
Corporate Authors: American National Standards Institute, American National Standards Institute. Standards Committee A17 on a Safety Code for Elevators
Format: Book
Language:English
Published: [Place of publication not identified] : [publisher not identified], 1979.
Subjects:
Description
Item Description:Caption title.
"ANSI A17.1a-1979; includes errata to ANSI A17.1-1978."
"Issued on March 30, 1979 and is effective as of June 30, 1979."
"Approved by the American National Standards Institute on Feb. 15, 1979."
"Approved by the A17 Standards Committee."
Physical Description:60 pages in various pagings ; 24 cm.