JT/T 1251-2019 Clasification of car rental enterprises.1范围JT/T 1251规定了汽车租赁企业等级划分和等级条件。JT/T 1251适用于从事小微型客车租赁经营企业...
GB/T 15051-1994.Needle-punched carpet.5.3 分等规定5.3.1―耐燃型针剌地毯按内在质量技术指标和外观质量分为优等品、一等品、合格品三个品等。低于...
JT/T 1250-2019 Classification of road dangerous goods transport enterprises.1范围JT/T 1250规定了道路危险货物运输企业等级划分和等级条件。JT/T 1250适用于从事...
JT/T 1249-2019 Grades and evaluation methods of energy efficiency and CO2 emission intensity of commercial vehicle for passenger transportation.1范围JT/T 1249规定了营运客车能...
JT/T 1248-2019 Grades and evaluation methods of energy efficiency and CO2 emission intensity of commercial vehicle for cargos transportation.1范围JT/T 1248规定了营运货车能效...
JT/T 1246-2019 General technical requirements for rail-cum-road bridges.1范围JT/T 1246规定了公路与铁路两用桥梁的总体设计要求、作用和刚度要求。JT/T 1246适...
JT/T 1245-2019 Electronic waybill of domestic container intermodal transport.1范围JT/T 1245规定了国内集装箱多式联运电子运单的用例及设计原则、内容属性信...
QB/T 2799-2006.Leather -Determination of air permeability.b)空气测试室:由金属制成,空心圆柱形,内径.3.56cm(相当于10cm'),底部封闭,侧端开有一个导气...
JT/T 1243-2019 Trailer on flatcar-Technical requirements of vehicle for road transportation.1范围JT/T 1243规定了适用于驮背运输的道路运输车辆技术要求。JT/T 12...
JT/T 1240-2019 Technical specifications of special safety facilities for urban public bus and trolleybus.1范围JT/T 1240规定了城市公共汽电车车辆专用安全设施的- -般...










