This standard applies to the chemical analysis method standard for electrical contact materials. This standard must also be followed when formulating (revising) the chemical analysis method standard for electrical contact materials.
JB/T 4107.1-1999 history
2014JB/T 4107.1-2014 Chemical analyse method for electrical contact materials.Part 1: General and ordinary specification
1999JB/T 4107.1-1999 Chemical analyse method for electrical contact materials.General and ordinary specification