Online Standards Store PDF
Photocells. Method of characteristics measurements. General
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Information processing systems. Database language SQL with Integrity Enhancement
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Reprography. Micrography. Silver-gelatin microforms. General technical requirements and methods of control
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Printing trades machinery. Safety requirements for the design and construction. Part 3. Cutting machines
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Data transmission system signal conversion modulus for switched and unswitched voice frequency channels. Types and basic parameters
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