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Civil defense. Engineering and technical equipment of civil defense protective structures. Cell filters for ventilation systems. General technical requirements. Test methods
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Textile materials. Textile fabrics and piece-articles. Methods for the determination of density of threads and pile bunches
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Industrial systems, installations, equipment and industrial products. Structuring principles and codes. Part 1. Basic rules
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Grooved pins-full-length parallel grooved with pilot. Specifications
Document status: Active