译：JB/T 8443.1-1996 Copper-chromium contact material chemical analysis method: Determination of chromium content using ferrous sulfate titration method

译：JB/T 7774.5-1995 The chemical analysis method for silver zinc oxide electrical contact material using flame atomic absorption spectrometry to determine magnesium content

译：JB/T 7778.3-1995

译：JB/T 7780.2-1995 Method for Mechanical and Physical Properties Test of Wire for Screw Terminal Contact and Hardness Measurement of Wire for Screw Terminal Contact

译：JB/T 7777.4-1995 The chemical analysis method for silver-nickel oxide-indium oxide electric contact material: PAN spectrophotometric method for determination of zinc content. The translation of the sentence is "The chemical analysis method for silver-nickel oxide-indium oxide electric contact material: using PAN spectrophotometry to determine the zinc content."

译：JB/T 7775.1-1995 Copper content in vacuum contact material of tungsten carbide is determined by the iodometric method

译：JB/T 7776.8-1995

译：JB/T 7774.4-1995 The chemical analysis method for silver zinc oxide electrical contact material using flame atomic absorption spectrometry for the determination of nickel content

译：JB/T 7776.6-1995

译：JB/T 7777.5-1995 The Chemical Analysis Method for Silver-Oxide-Tin-Oxide-Indium Electro-Finger-Touch Material: Determination of Nickel, Zinc, and Indium Content by Flame Atomic Absorption Spectrometry

译：JB/T 7778.1-1995 Silver Content Analysis Method for Tungsten Carbide Electroceramic by SCN Concentrated Solution Capacity Method

译：JB/T 7774.3-1995 The chemical analysis method for silver zinc oxide electric contact material: Sulfosalicylic acid spectrophotometry for the determination of bismuth content

译：JB/T 7774.1-1995

译：JB/T 7776.2-1995 The chemical analysis method for silver-doped cadmium oxide electric contact material, Determination of cadmium content using flame atomic absorption spectrometry

译：JB/T 7778.2-1995 Nickel determination by thiourea spectrophotometry using dithionitroprusside in the chemical analysis of silver tungsten carbide electrical contact material

译：JB/T 7780.4-1995 The mechanical and physical properties test method for wire used for rivet contact tips includes tensile testing method for wire used for rivet contact tips

译：JB/T 7776.1-1995 The chemical analysis method for silver oxide cadmium electrical contact material using EDTA complex titration to determine cadmium content

译：JB/T 7780.3-1995 Methods for Testing Mechanical and Physical Properties of Tungsten Alloy Pin Contact Materials: Resistance Measurement Method for Tungsten Alloy Pin Contact Materials Made of Welding Wire

译：JB/T 7776.7-1995 The Chemical Analysis Method for Silver-Cadmium Oxide Electro-Contact Material: Determination of Magnesium Content by Flame Atomic Absorption Spectrometry

译：JB/T 7779-1995 Silver-carbonitride (12), graphite (3), and electrical contact technology requirements