00481nam a2200133Ia 4500008004100000040001700041082002500058110004400083245008400127250000900211260004100220300001000261650007600271190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta662.202bJ812B  aDu Pont de Nemours and Co. (Wilmington) 0aBlasters' handbookba manual describing explosives and practical methods of use  a15th  aWilmingtonbDu Pont de Nemoursc1969  a525p.  aExplosives-Handbooks,manuals etc; Coal-Combustion-Handbooks,manuals etc