IEC 63522-39:2025 EN-FR 0703d5be
Electrical relays - Tests and measurements - Part 39: Insertion and withdrawal force
现行
发布日期 :
2025-02-27
实施日期 :
IEC 61249-2-39:2012 EN-FR 44042332
Materials for printed boards and other interconnecting structures - Part 2-39: Reinforced base materials clad and unclad - High performance epoxide and non-epoxide, woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly
现行
发布日期 :
2012-11-29
实施日期 :