Specification for nitrous oxide / 
Standards Institution of Malaysia 
 - 9 pages :  illustrations ;  21 cm. 
 - Malaysian standard ;  MS 1.55 : 1973 .
 - Malaysian standard ;  MS 1.55 : 1973 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standardization--Malaysia<br/>Nitrous oxide--Standards