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Electricity metering equipment—Dependability—Part 321:Durability testing of the stability of metrological characteristics by applying elevated temperature
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
Electricity metering equipment—Dependability—Part 41:Reliability prediction
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Available design: electronic design (pdf), Print design
Hygienic requirement for peacetime utilization of civil air defence works
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Available design: electronic design (pdf), Print design
Hygienic specification for public toilet
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Available design: electronic design (pdf), Print design
Hygienic safety evaluation of chemicals used in drinking water treatment
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Available design: electronic design (pdf), Print design
Hygienic safety evaluation of distribution equipment, protective materials and treatment materials in drinking water system
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Estimation of colour of varnishesboiledoils and thinners
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Health protection zone for coal gas industry
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Health requirements of daily learning time for secondary and elementary school students
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Hygienic requirements of microclimate for heating classroom in middle and elementary school
Available languages: English, Chinese
Available design: electronic design (pdf), Print design