GB - Chinese national standards

Hygienic safety evaluation of chemicals used in drinking water treatment

Available languages: English, Chinese

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Hygienic safety evaluation of distribution equipment, protective materials and treatment materials in drinking water system

Available languages: English, Chinese

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Estimation of colour of varnishesboiledoils and thinners

Available languages: English, Chinese

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Health protection zone for coal gas industry

Available languages: English, Chinese

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Health requirements of daily learning time for secondary and elementary school students

Available languages: English, Chinese

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Hygienic requirements of microclimate for heating classroom in middle and elementary school

Available languages: English, Chinese

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Hygienic requirements of classroom ventilation in middle and elementary school

Available languages: English, Chinese

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Health requirement of textbook for elementary and secondary school student

Available languages: English, Chinese

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Terminology of surveying and mapping for prospecting to geology and mineral resources

Available languages: English, Chinese

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The expertise for oceanic polymetallic nodules survey

Available languages: English, Chinese

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