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Number of entries (Data is updated on a monthly basis): 82592
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GB/T 39739-2020

国家公园考核评价规范

Specification for assessment of the national park

GB/T 39740-2020

自然保护地勘界立标规范

Specification of demarcating and marking boundary for nature protected area

GB/T 39738-2020

国家公园监测规范

Specification for monitoring of the national park

GB/T 5686.2-2022

锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法

Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method , silicon potassium fluoride titrimetric method and perchloric acid dehydration gravime

GB/T 6003.1-2022

试验筛 技术要求和检验 第1部分:金属丝编织网试验筛

Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth

GB/T 3103.1-2002

紧固件公差 螺栓、螺钉、螺柱和螺母

Tolerances for fasteners--Bolts,screws,studs and nuts

GB/T 12968-1991

纯金属电阻率与剩余电阻比涡流衰减测量方法

Eddy current decay method formeasurement of resistivity and residual resistance ratio of pure metals

GB/T 14684-2022

建设用砂

Sand for construction

GB/T 41487-2022

复合型密封垫片材料

Composite sealing gasket material

GB/T 20565-2022

铁矿石和直接还原铁 术语

Iron ores and direct reduced iron—Vocabulary

Number of entries (Data is updated on a monthly basis): 82592
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