INDIAN STANDARDS INSTITUTION <br/><br/>
HELICAL COMPRESSION SPRINGS PART I II III IV V VI VIII AND HELICAL EXTENSION SPRINGS PART I II III AND IV 

 -  NIL  1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MECHANICAL GENERAL 
<br/><br/><label>Dewey Class. No.: </label>621.2  / IND