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State system for ensuring the uniformity of measurements. Second class reference line gauges and fifth accuracy class working line gauges. Verification procedure
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Electromagnetic compatibility. Part 4-21. Testing and measurement techniques. Reverberation chamber test methods
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Soils. Measuring methods of strains of structures and building bases
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Space systems and complexes. Ðœission control center. General requirements
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Bent branches and elbows at line bends for transmission steel pipelines specifications
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