Training of the customs House Chemists in the testing of Explosives in the Chemical Examiners Department.  
 File No.  2C-10/38 

 -  1938 
 - 05 p.  H-35 cm; W-22 cm. 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Training --House