00917nam a2200205Ia 4500 CTU_142599 210402s9999 xx 000 0 und d 8000 354.37 T309 Tiêu chuẩn Việt Nam Âm học - Tiếng ồn do phương tiện giao thông đường bộ phát ra khi tăng tốc độ Mức ồn tối đa cho phép = Acoustics - Noise emitted by accelerating road vehicle : Permitted maximum noise level Hà Nội Tiêu chuẩn Việt Nam 1999 Mức ồn tối đa cho phép tiếng ồn do phương tiện giao thông đường bộ mới phát ra khi tăng tốc độ. Acoustics,Âm học Trọng Hiếu Trung tâm Học liệu Trường Đại học Cần Thơ