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Abrasive materials. Grain and grain size distribution of grinding powders. Test of grain size distribution
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Vibration. Measurement of vibrations in buildings. Measuring instrumentation tests
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Civil defense. Network of surveillance and laboratory control of civil defense and protection of the population. Terms and definitions
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Notched straight-side center arbors with press fit of jobs. Design and dimensions
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Test conditions for die sinking electro-discharge machines.Testing of the accuracy. Part 2. Double-column machines (slide-head type)
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