GOST PDF
Basic norms of interchangeability. Metric thread for instrument-making industry. Diameters and pitches
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Cameras and projectors for 8 mm film type S. Location and dimensions of formed and projected image
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Coatings of lacquers and paints. Method for determination of chalking degree
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Herba violae tricoloris et violae arvensis. The herb of viole tricoloris and viole field
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Nature protection. Hydrosphere. Underground waters classification according to water usage
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