Specification for general purpose transmission precision roller chains and chainwheels (first revision) / 
Standards and Industrial Research Institute of Malaysia. 
 - 16 pages :  illustrations ;  30cm. 
 - Malaysian standard ;  MS 521 : 1986 .
 - Malaysian standard ;  MS 521 : 1986 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chains--Standards--Malaysia.<br/>Chain drive--Standards--Malaysia.