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Cardiac valve prostheses. Part 1. General technical requirements and test methods
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Dentistry. Number coding system for rotary instruments. Part 2. Shapes
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Nutrient media. Meat-peptone broth (for veterinary). Specifications
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Greenhouse grounds. Methods for determination of water-soluble potassium
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Occupational safety standards system. Electrostatic fields. Tolerance levels and methods of control at working places
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Non-electrical equipment for potentially explosive atmospheres. Part 3. Protection by flameproof enclosure 'd'
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