Methods for analysis and testing of coal and coke. Moisture, volatile matter and ash in the analysis sample of coke
standard by BSI Group, 03/30/1942
Specification for copper alloy ingots and copper and copper alloy castings
standard by BSI Group, 12/31/1969
Recommended methods for the spectrographic analysis of high purity zinc and zinc alloys for die casting
standard by BSI Group, 11/24/1970