State system for ensuring the uniformity of measurements. Reference gauge-blocks of the 1st and the 2nd accuracy orders and working gauge-blocks of 00 and 0 accuracy classes up to 1000 mm. Methods and means for verification
Copper and complex ores, and products of their processing. Atomic absorption spectrometry method for weight fraction of measurement of copper, zinc, lead, bismuth, cadmium, antimony
€10
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