电子级水测试方法通则
Generie rules for test methods of electronic grade water
检测标准
波导法兰盘 第7部分:方形波导法兰盘规范
Fanges for waveguidesnPart 7: Relevant specification for flanges for square waveguides
电子级水中痕量阴离子的离子色谱测试方法
Test method for trace anion in electronic grade water by ion chromatography
电子级水电阻率的测试方法
Test method for resistivity of electronie grade water
电子级水中痕量金属的原子吸收分光光度测试方法
Test method for measuring trace metals in electronic grade water by atomic absorption spectrophotometry
空心金属波导 第1部分:一般要求和测量方法
Hollow metallic waveguides Part 1:General requirements and measuring methods
软磁铁氧体材料成品、半成品化学分析方法
Chemical analysis methods for products and semi-finished products made of soft ferrite materials
电子级水中细菌总数的滤膜培养测试方法
Test method for total bacterial count inelectronic grade water by membrane filters
通信和电子设备用变压器和电感器铁心片 第2部分:软磁金属叠片最低磁导率规范
Laminations for transformers and inductors for use in telecommunicationand electronic equipment-Part 2 :Specification for the minimum permeabilities of laminationsmade of soft magnetic metallic materials
通信和电子设备用变压器和电感器铁心片 第1部分:机械和电性能
Laminations for transformers and inductors for use in telecommunication andelectronic equipment-Part 1:Mechanical and electrical characteristics
