Specification for industrial safety helmets / 
Standards Institution of Malaysia 
 - 27 pages :  illustrations ;  21 cm. 
 - Malaysian standard ;  MS 6.11 : 1973 .
 - Malaysian standard ;  MS 6.11 : 1973 .
<br/><br/><label>ISBN: </label> USD2.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standardization--Malaysia<br/>Safety hats--Standards.