Methods of sampling copper ores and concentrates / 
Standards and Industrial Research Institute of Malaysia. 
 - Shah Alam :  Standards & Industrial Research Institute of Malaysia,  1984 
 - 20 p. :  ill. ;  30 cm. 
 - Malaysian Standard ;  MS 877 : 1984 .
 - Malaysian Standard ;  MS 877 : 1984 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper ores--Sampling<br/>Concentrates--Standards