IEC 61249-2-31:2009 : Title: Materials for printed boards and other interconnecting structures - Part 2-31: Reinforced base materials, clad and unclad - 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 Pages: 42 Year: Publisher: International Electrotechnical Commission Availability: Within 1-2 working days
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