Specification for edison screw lampholders / 
Standards and Industrial Research Institute of Malaysia 
 - 90 pages :  illustrations ;  21 cm. 
 - Malaysian Standard ;  MS 4.30 : 1976 .
 - Malaysian Standard ;  MS 4.30 : 1976 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standardization--Malaysia<br/>Screws