Electrical Insulating Impregnating Varnishes BT-980, BT-987 and BT-988. Open PDF Document Details Document Type Technical Report Publication Date Jul 11, 1979 Accession Number ADA083369 Entities Organizations National Air and Space Intelligence Center Tags Communities of Interest Biomedical DTIC Thesaurus Topics Accident Prevention Chemical Industry Electrical Engineering Electrical Equipment Electrical Resistance Electrodes Engineering Foreign Technology Organic Solvents Photographs Plant Oils Public Health Resistance Specific Volume Standards Translations Viscosity Technology Areas Microelectronics