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Number of entries (Data is updated on a monthly basis): 83618
Weiter Weiter| 21481 - 21490 | 21491 - 21500|21501 - 21510 |Weiter Weiter

GB/T 15972.45-2021

光纤试验方法规范 第45部分:传输特性的测量方法和试验程序 模场直径

Specifications for optical fibre test methods—Part 45:Measurement methods and test procedures for transmission characteristics—Mode field diameter

GB/T 15972.54-2021

光纤试验方法规范 第54部分:环境性能的测量方法和试验程序 伽玛辐照

Specifications for optical fibre test methods—Part 54: Measurement methods and test procedures for environmental characteristics—Gamma irradiation

GB/T 15972.10-2021

光纤试验方法规范 第10部分:测量方法和试验程序 总则

Specifications for optical fibre test methods—Part 10: Measurement methods and test procedures—General and guidance

GB/T 25000.1-2021

系统与软件工程 系统与软件质量要求和评价(SQuaRE) 第1部分:SQuaRE指南

Systems and software engineering —Systems and software quality requirements and evaluation (SQuaRE) — Part 1: Guide to SQuaRE

GB/T 21548-2021

光通信用高速直接调制半导体激光器的测量方法

Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems

GB/T 39997-2021

加油站埋地用热塑性塑料复合管道系统

Thermoplastic pipework for underground installation at petrol filling stations

GB/T 38575-2021

眼镜架 螺纹

Spectacle frames—Screw threads

GB/T 39996-2021

烟花爆竹 烟火药发热量的测定

Fireworks and firecrackers—Determination of calorific value of pyrotechnic powder

GB/T 39998-2021

纸、纸板和纸制品 烷基苯酚聚氧乙烯醚类的测定 高效液相色谱质谱法

Paper, board and paper products—Determination of alkylphenol polyethoxylates—HPLC-MS method

GB/T 3883.211-2021

手持式、可移式电动工具和园林工具的安全 第211部分:手持式往复锯的专用要求

Safety of motor-operated hand-held, transportable and garden tools—Part 211: Particular requirements for hand-held reciprocating saws

Number of entries (Data is updated on a monthly basis): 83618
Weiter Weiter| 21481 - 21490 | 21491 - 21500|21501 - 21510 |Weiter Weiter