German 'AT' Mine Units Open PDF Document Details Document Type Technical Report Publication Date Sep 28, 1945 Accession Number ADA953448 Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Amplifiers Assembly Circuits Connecting Rods Construction Delay Circuits Detectors Electron Tubes Frequency Full-Wave Rectifiers Leaf Springs Magnetic Fields Relative Motion Resonance Resonant Frequency Transformers Waves