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Chain transmission sprocket wheels for roller chains. Methods of calculation and construction of tooth form and cutting tool form. Tolerances
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Fish, non-fish objects and products from them. Terms and definitions
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Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane
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Integrated circuits. Magnetic bubble integrated circuits memory. Terms, definitions and letter symbols characteristics
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Safety of household and similar electrical appliances. Part 2-59. Particular requirements for insect killers
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