GB - Chinese national standards

The confidence limits of quantile and coefficient of variation for normal distribution

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Cylindrical gears—ISO system of flank tolerance classification—Part 1:Definitions and allowable values of deviations relevant to flanks of gear teeth

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Cylindrical gears—ISO system of flank tolerance classification—Part 2:Definitions and allowable values of double flank radial composite deviations

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Accuracy of rack

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Slotted raised countersunk head wood screws

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Course development guide for education about standardization—Standardization of inorganic non-metallic materials

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Buoy shackle

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Marine magnetic compass of class B

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Cycloidal drives Part 1: Basic terminology

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Cycloidal drives Part 2: Representation of drawings

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