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High precision heavy duty transmission roller chains. Specifications
Document status: Active
Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling. Terms and definitions
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Shaving machines. Basic dimensions. Standards of accuracy and rigidity
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Platinum. Method of spark atomic-emission analysis
Document status: Cancelled
State system for ensuring the uniformity of measurements. Reference neutron sources at nuclear installations general statements and metrological certification
Document status: Active