HD 307.3.4 S1-1987 Specification for solventless polymerisable resinous compounds used for electrical insulation; part 3: specifications for individual materials; sheet 4: filled polyurethane compounds
1989HD 307.3.4 S1-1989 Specification for Solventless Polymerisable Resinous Compounds Used for Electrical Insulation Part 3: Specifications for Individual Materials Sheet 4: Filled Polyurethane Compounds
1987HD 307.3.4 S1-1987 Specification for solventless polymerisable resinous compounds used for electrical insulation; part 3: specifications for individual materials; sheet 4: filled polyurethane compounds