EXAMINATION OF GERMAN 20MM AIRCRAFT AMMUNITION Open PDF Document Details Document Type Technical Report Publication Date Apr 02, 1943 Accession Number AD0222053 Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Ammunition Bursting Charges Cartridge Cases Cold Working Elastic Properties Fuze Functioning Elements Hardness Mechanical Working Physical Properties Projectiles Rotating Bands Steel Surface Finishing Thick Walls Thin Walls Walls Wear Resistance