Feeds, compound feeds. Determination of calcium, copper, iron, magnesium, manganese, of potassium, sodium and zinc by atomic absorption spectrometry method
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring heat conductivity of solid frames in the range of temperature 90 to 300 K
Petroleum and natural gas industries. Subsea production systems. Avoidance of blockages in subsea wells production control and chemical injection systems
€25
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