Occupational safety standards system. Ultrasound. Measurement method of sound pressure at work places
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Safety standards system. Materials for special foot-wear uppers. Determination of liquid aggressive material permeability
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Occupational safety standards system. Means of the collective protection against ionizing radiation. General technical requirements
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Occupational safety standards system. General requirements for chemical cleaning of personal protective means
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Fifth-wheel king pins of automobile semi-trailers. Types and basic dimensions
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Seed of farm crops. Methods for determination 1000 seed weight
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