GB/T 2987-1996
电子管参数符号
Letter symbols of parameter for electronic tubes
- 实施日期
- 1997-10-01
- ICS 分类
- 31.100
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 70,494 条
GB/T 2987-1996
Letter symbols of parameter for electronic tubes
GB/T 16601-1996
Test methods for laser induced damage threshold of optical surfaces--Part 1: 1 on 1 test
GB/T 7452.2-1996
Guidelines for the overall evaluationof vibration in merchant ships under 100m
GB/T 7452.1-1996
Guidelines for the overall evaluation of vibration in merchant ships
GB/T 16596-1996
Specification for establishing a wafer coordinatesystem
GB/T 16595-1996
Specification for a universal wafer grid
GB/T 1424-1996
Method of measurement of resistivity of precious metals and their alloys
GB/T 4698.9-1996
Sponge titanium,titanium and titanium alloys--Determination of tin content--Potassium iodate titration method
GB/T 4698.8-1996
Sponge titanium,titanium and titanium alloys--Determination of aluminium content--Separation with sodium hydroxide-EDTA complexometric titration method
GB/T 4698.6-1996
Sponge titanium,titanium and titanium alloys--Determination of boron content--Extraction-methylene blue spectrophotometric method
GB/T 4698.5-1996
Sponge titanium,titanium and titanium alloys--Determination of molybdenum content--Thiocyanate spectrophotometric method
GB/T 4698.4-1996
Sponge titanium,titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method
GB/T 4698.3-1996
Sponge titanium,titanium and titanium alloys--Determination of silicon content--Molybdenum blue spectrophotometric method
GB/T 4698.25-1996
Sponge titanium,titanium and titanium alloys--Determination chlorine content--Silver sulfidespectrophotometric method
GB/T 4698.24-1996
Sponge titanium,titanium and titanium alloys--Determination of nickel content--Dimethylglyoxime spectrophotometric method
GB/T 4698.23-1996
Sponge titanium,titanium and titanium alloys--Determination of palladium content--Stannous choride--Potassium iodide spectrophotometric method
GB/T 4698.22-1996
Sponge titanium,titanium and titanium alloys--Determination of niobium content-2-(5-Bromo-2-pyridylazo)-5-Diethylaminophenol spectrophotometric method
GB/T 4698.21-1996
Sponge titanium,titanium and titanium alloys--Determination ofmanganese,chromium,nickel,aluminium,molybdenum,tin,vanadium,yttrium,copper,zirconium content--Emission spectrographic method
GB/T 4698.20-1996
Sponge titanium,titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method
GB/T 4698.19-1996
Sponge titanium,titanium and titanium alloys--Determination of molybdenum content--Thiocyanate differential spectrophotometric method