01095nam a2200217Ia 4500 CTU_114161 210402s9999 xx 000 0 und d 35000 621.38456 B450/68 - 221 Bộ Bưu chính, viễn thông TCN 68-221:2004 Máy di động GMS (pha 2 và 2+): Yêu cầu kỹ thuật = GSM mobile station (phase 2 and 2+) : Technical requirements Bộ Bưu chính, viễn thông Hà Nội Bưu điện 2004 Tiêu chuẩn ngành TCN 68 - 221: 2004 "máy di động GSM (pha 2 và 2+)" được xây dựng dựa trên cơ sở tiêu chuẩn ETSI EN 301 511 V7.0.1 (12 - 2000) và ETSI EN 300 607-1 V8.1.1 (10 - 2000) của viện tiêu chuẩn viễn thông châu âu, được trình bày dưới dạng song ngữ. Telecommunication systems,Telecommunication networks Năm Trung tâm Học liệu Trường Đại học Cần Thơ