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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 H01 Natural Sciences D010811 +
 H01.939 Weights and Measures D014894 +
 H01.939.155 Calibration D002138 
 H01.939.507 International System of Units D007394 
 H01.939.539 Metric System D008792 
 H01.939.808 Reference Standards D012015 
 H01.939.810 Reference Values D012016