Carbonaceous materials for the production of aluminium. Anodes, cathodes blocks, sidewall blocks and baked ramming pastes. Determination of the thermal conductivity using a comparative method
State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means, measuring magnetic induction within the range of 0,05 to 2T
State system for ensuring the uniformity of measurements. Measurements of the amount of extracted sub-soil oil and associated petroleum gas. General metrological and technical requirements
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