IEC 61249-2-1 : 1.0
IEC 61249-2-1 : 1.0
MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-1: REINFORCED BASE MATERIALS, CLAD AND UNCLAD - PHENOLIC CELLULOSE PAPER REINFORCED LAMINATED SHEETS, ECONOMIC GRADE, COPPER CLAD
International Electrotechnical Committee