IEC 61249-2-33:2009 EN-FR af1e27c3
Materials for printed boards and other interconnecting structures - Part 2-33: Reinforced base materials, clad and unclad - Non-halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined relative permittivity (equal to or less than 4,1 at 1 GHz) and flammability (vertical burning test), copper-clad
现行
发布日期 :
2009-02-11
实施日期 :
IEC 61249-2-34:2009 EN-FR 20104bfd
Materials for printed boards and other interconnecting structures - Part 2-34: Reinforced base materials, clad and unclad - Non-halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined relative permittivity (equal to or less than 3,7 at 1 GHz) and flammability (vertical burning test), copper-clad
现行
发布日期 :
2009-02-11
实施日期 :