CAN/CSA-44.1-M91, ASME-A17.5-1991 :   Elevator and escalator electrical equipment. A National standard for Canada.An American National Standard /  
The American Society of Mechanical Engineers 
 - New York :   ASME,   1991. 
 - xv, 92 p.  ilus.  tablas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ASCENSORES<br/>ESCALERAS<br/>ASME A17.5-1991<br/>CAN/CSA-B44.1-M91
<br/><br/><label>Index Terms--Genre/Form: </label><br/>NORMA
<br/><br/><label>Universal Decimal Class. No.: </label>621.876