Russian standards PDF
Reprography. Copirography. Diazotype paper. Specifications
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Unsealed metal-enclosed switchgear and controlgear for voltages up to 10 kV. General specifications
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Cord-polystyrene insulated high-frequency balanced communication cables. Specifications
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Solid generating hobs for sprockets of transmission roller and bush chains. Specifications
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Electrical articles. General requirements for environment climatic aspects stability
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