标题: [已解决]求助：UL 796 和 UL 508 [打印本页] 作者: 拥抱阳光 时间: 2012-5-9 19:50 标题: [已解决]求助：UL 796 和 UL 508 强烈求救，希望大侠们可以帮忙！！！！作者: 扁豆 时间: 2012-5-9 19:50
怎么下不了a作者: 清新的影子 时间: 2012-5-9 19:50
[美国]UL 508: 1999 Industrial Control EquipmentUL 508: 1999 Industrial Control Equipment
862.85 KB作者: 麦田守望者 时间: 2012-5-9 19:51
为了要标准券不得不灌点水.作者: 清新的影子 时间: 2012-5-9 19:51
UL 796-2007 Printed-Wiring BoardsUL Standard for Safety for Printed-Wiring Boards, UL 796
Ninth Edition, Dated April 17, 2006
Revisions: This Standard contains revisions through and including June 18, 2007.