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Unified system for design documentation. Graphic designations. Components and arrangements of machines and apparatus of chemical industry. General symbols
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Citrus juices. Method for determination of hesperidin and naringin mass concentration using high performance liquid chromatography
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Biological agents for organic farming. General specifications
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Occupational safety standards system. Protective clothing against liquid chemicals. Test method for resistance of materials to penetration by liquid chemicals
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Hexagon socket dog point pressure screws for machine retaining devices. Design
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