NO 30-2008
由國際協議創建的機構通過的法令.聯合國歐洲經濟委員會第21號法規.關于機動車及其拖車的充氣輪胎的統一規定
ACTS ADOPTED BY BODIES CREATED BY INTERNATIONAL AGREEMENTS Regulation No 30 of the Economic Commission for Europe of the United Nations (UN/ECE) - Uniform provisions concerning the approval of pneumatic tyres for motor vehicles and their trailers