Russian standards PDF
Lenses for cameras. Method of determination of scattering coefficient
Document status: Active
Surfaces with regular microshape. Classification, parameters and characteristics
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Turning tools with mechanical clamped changeable polyhedral plates fixed by swing pin. Types and basic dimensions
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Ceramic indexable throw-away inserts for cutting tools. Specifications
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Character displays. Methods measuring inherent brightness contrast, irregularity of inherent brightness contrast
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Photographic colour negative films. Specifications
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