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轮式拖拉机 修理质量 第1部分：皮带传动轮式拖拉机
Repairing quality for wheeled tractors.Part 1:Belt-driven wheeled tractors
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轮式拖拉机质心位置测定质量周期法
Measurement methods for location of Centre of Wheeled tractor mass-Mass periods methods
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拖拉机和联合收割机安全监理检验技术规范
Technical specifications for safety supervision inspection of tractor and combine-harvester
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轮式拖拉机能效等级评价
Level evaluation of energy efficiency for wheeled tractors
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手扶拖拉机.修理质量
Repairing quality for walking tractors
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拖拉机号牌座设置技术要求
Technical specifications for license plate holder setting on tractors
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节油型农业轮式拖拉机燃油经济性评价指标
Fuel efficiency evalution criteria of agricultural wheeled tractors
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拖拉机驾驶培训机构通用要求
General requirements for tractor driving training organizations
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农林拖拉机 型号编制规则
Tractors for agriculture and forestry -- Code of model designations
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