To find easily the necessary information, use the different options for advanced search below, e.g. search by technical committee; by keyword in Bulgarian/English; by reference and others.
90.93 Standard confirmed
Nonferrous metals and their alloys. Determination of sulfur, using automatic analizers
90.93 Standard confirmed
Foundry copper alloys (bronze). Secondary, Blocks and castings
90.93 Standard confirmed
Chemical analysis of light metals and their alloys — Statistical interpretation of inter-laboratory trials
90.93 Standard confirmed