Invention to advanced course in rock blasting technique June 1978 
Nitro Nobel rock blasting department  
 - Sweden  Nitro Nobel rock blasting department Sweden  1978 
 - various paging,  ill;. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>624.152  / INV