Russian standards PDF
Control access systems. Controlled barrier units. General technical requirements. Test methods
Document status: Active
Alarms are guarding point magnetic contact. General requirements and test methods
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Safety of laser products. Part 5. Manufacturer's checklist for IEC 60825-1
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Protective solder mask for printed circuit boards. General specifications
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Buildings and structures. Determination of air change of rooms method of indicator gas
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Heat supply of buildings. General guidelines of methods for calculation of energy requirements and efficiencies for heat supply systems
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