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State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Verification of measurement procedure
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State system for ensuring the uniformity of measurements. Plain gauges for dimensions over 500 mm. Verification methods and means
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System of standards on information, librarianship and publishing. Publications. Main elements. Terms and definitions
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Brackets for fastening water heating devices to vertical surfaces. General specifications
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Floor parquet products. Mosaic parquet. Technical requirements
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Basic norms of interchangeability. Deviations of form and position. General requirements for methods of measurements
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