Natural gas. Determination of sulfur compounds-Determination of hydrogen sulfide, mercaptan sulfur, and carbonyl sulfide sulfur by potentiometry
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Gas analysis. Determination of the water dew point of natural gas. Cooled surface condensation hygrometers
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Water quality. Biological methods-Water quality. Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea). Acute toxicity test
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Freight containers. Coding, identification and marking
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Freight containers. Coding, identification and marking
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Welding consumables. Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels. Classification
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Welding consumables. Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels. Classification
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Dentistry. Number coding system for rotary instruments-General characteristics
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Dentistry. Number coding system for rotary instruments-Shapes
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Dentistry. Number coding system for rotary instruments-Specific characteristics of burs and cutters
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