NBN C 27-203-1979 Ascar dielectric liquid chlorinated biphenyl for wires and transformers. Part 3: Technical Specifications for New Ascalel Dielectric Liquid Chlorinated Biphenyl
1980NBN C 27-203-1981 Ascar dielectric liquid chlorinated biphenyl for wires and transformers. Part 3: Technical Specifications for New Ascalel Dielectric Liquid Chlorinated Biphenyl
1979NBN C 27-203-1979 Ascar dielectric liquid chlorinated biphenyl for wires and transformers. Part 3: Technical Specifications for New Ascalel Dielectric Liquid Chlorinated Biphenyl