Russian standards PDF
Occupational safety standards system. Helmet face piece for commercial gas masks. Specifications
Document status: Active
Occupational safety standards system. Respiratory protective devices. Fresh air hose breathing apparatus. Requirements, testing, marking
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Occupational safety standards system. Electrical insulating gloves from polymer materials. General technical requirements and test methods
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Electric machines. Methods of determination of cooling gas volume
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High frequency magnet malleable materials. Testing methods at the range from 1 to 200 mc
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