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Gas analyzers. Expression of performance. Part 6. Photometric gas analyzers
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Dependability in technics. Business continuity management systems. Requirements
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Vitreous and porcelain enamels for sheet steel. Production of specimen for testing
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Quartz sand, ground sandstone, quartzite and veiny quartz for glass industry. Specifications
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Technical criteria for foods and food ingredients suitable for vegetarians or vegans and for labelling and claims
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