译：GB/T 10574.8-2003 Methods for chemical analysis of tin-lead solders—Determination of zinc content

译：GB/T 13877.5-2003 Tractors and self-propelled machines for agriculture and forestry—Operator enclosure environment—Part 5:Pressurization system test method

译：GB/T 13877.3-2003 Tractors and self-propelled machines for agriculture and forestry—Operator enclosure environment—Part 3:Determination of effect of solar heating

译：GB/T 17127.4-2003 Agricultural wheeled tractors and implements—Three-point hitch couplers—Part 4:Bar coupler

译：GB/T 10574.9-2003 Methods for chemical analysis of tin-lead solders—Determination of aluminum content

译：GB/T 17693.7-2003 Transformation guidelines of geographical names from foreign languages into Chinese—Portugese

译：GB/T 13877.4-2003 Tractors and self-propelled machines for agriculture and forestry—Operator enclosure environment—Part 4:Air filter element test method

译：GB/T 13877.1-2003 Tractors and self-propelled machines for agriculture and forestry—Operator enclosure environment—Part 1:Vocabulary

译：GB/T 13877.2-2003 Tractors and self-propelled machines for agriculture and forestry—Operator enclosure environment—Part 2:Heating,ventilation and air-conditioning test method and performance

译：GB/T 1592-2003 Agricultural tractors—Rear-mounted power take-off—Types 1,2 and 3