IEC 61249-3-4 : 1.0
IEC 61249-3-4 : 1.0
MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 3-4: SECTIONAL SPECIFICATION SET FOR UNREINFORCED BASE MATERIALS, CLAD AND UNCLAD (INTENDED FOR FLEXIBLE PRINTED BOARDS) - ADHESIVE COATED FLEXIBLE POLYIMIDE FILM
International Electrotechnical Committee