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:	Elevators > Standards > United States. Escalators > Standards > United States.

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