![]() Valve-regulated lead-acid batteries for moped—Part 2: Kinds of products and specifications 电动助力车用阀控式铅酸蓄电池 第2部分:产品品种和规格 |
![]() Industrial-process control valves—Part 2-1: Flow capacity—Sizing equations for fluid flow under installed conditions 工业过程控制阀 第2-1部分:流通能力 安装条件下流体流量的计算公式 |
![]() 2,3,3,3-Tetrafluoropropene(HFO-1234yf) for industrial use 工业用2,3,3,3-四氟丙烯(HFO-1234yf) |
![]() Liquid hydrocarbons dynamic measurement proving systems for volumetric meters—Part 2: Pipe prover 液态烃动态测量 体积计量流量计检定系统 第2部分:体积管 |
![]() Trans-1,3,3,3-tetrafluoropropene[HFO-1234ze(E)] for industrial use 工业用反式-1,3,3,3-四氟丙烯[HFO-1234ze(E)] |
![]() Determination of hydroxycitric acid in biochemical products—HPLC method 生物制品中羟基柠檬酸的测定 高效液相色谱法 |
![]() Rigid PVC pipes—Differential scanning calorimetry(DSC) method—Part 1: Measurement of the processing temperature 硬聚氯乙烯管材 差示扫描量热法(DSC) 第1部分:加工温度的测量 |
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