国产精品亚洲欧美一区麻豆_亚洲国产精品高清在线观看_ 国产一区二区在线观看app-亚洲国产成人久久综合野外-国产永久在线视频-国产va免费精品

For manufacturers of computers, fax machines, telephones,modems, and other “information technology equipment” (ITE), April 1, 2000 will be more than just another April Fool’s Day. This day will in fact mark an important step forward for the computing and communications industry as UL 1950 3rd Edition, Safety of Information Technology Equipment, Including Electrical Business Equipment, takes full effect.