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Microfilming of technical drawings and other drawing office documents - Part 6: Quality criteria and control of systems for enlargements from 35mm microfilm
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Superfine silver powder
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General ruler for earthquake magnitude
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Evaluation of seismic safety for engineering sites
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The Chinese seismic intensity scale
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Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
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Petroleum and natural gas industries—Drilling and well servicing equipment
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Petroleum and natural gas industries - Care and use of casing and tubing
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Petroleum liquids and gases--Fidelity and security of dynamic measurement--Cabled transmission of electric and/or electronic pulsed data
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Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines
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