American standard safety code for conveyors, cableways, and related equipment
Subtitle: B20.1-1957. UDC 621.876-783
By: sponsors: Accident Prevention Dept. of the Association of Casualty and Surety Companies, the American Society of Mechanical Engineers.
Publisher: American Society of Mechanical Engineers
Published: 1958
Place of publication: New York
Language: eng
Number of pages: 40
Subjects: Conveying machinery.