Specifiaction for Vertical Steel Ladders 

 - New Delhi :  Indian Standards Institution,  1976 
 - 6 p. :  ill. ;  30 cm. 
 - Indian Standard ;  IS 8172 : 1976 .
<br/><br/><label>ISBN: </label> Rs. 130.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shipbuilding--Standards<br/>Ladders--Design and construction--Standards
<br/><br/><label>Dewey Class. No.: </label>623.850212  / IS8172:1976