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Stop valves, check lift and swing valves. Overall dimensions
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Still picture cameras and photographic lenses. Terms and definitions
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Food additives. Calcium acetate E263. Specifications
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Automatic emission and discharge control systems. Automatic control systems for pollutant discharges. Volumetric flow measurement subsystem. Technical requirements
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Petroleum and natural gas industries. Subsea production systems. Electrical systems. General provisions
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