IEC 61249-2-32:2009 EN-FR 07916b27
Materials for printed boards and other interconnecting structures - Part 2-32: 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 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 :
ISO 7076-1:2012 EN 27c3f5de
Fire protection - Foam fire extinguishing systems — Part 1: Foam proportioning equipment
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发布日期 :
2012-05-04
实施日期 :
IEC 63522-27:2025 EN-FR b773b3de
Electrical relays - Testing and measurement - Part 27: Electrical contact noise
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发布日期 :
2025-04-23
实施日期 :