GB - Chinese national standards

Terminology of gas cylinders

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NPSH for centrifugal,mixed flow and axial flow pumps

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Centrifugal pump - Effeciency

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Technical specification for mixed and axial flow pumps

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Hollow drill steels for rock drilling

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Veneer for wood industry

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Methods of measurement of d.c. magnetic properties of magnetically soft materials

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Quenching and self-tempering ribbed bars for the reinforcement of concrete

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standard for pollution control on Polychlorinated Biphenyls (PCBs)-contaminated wastes

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Principles and requirements for constructing standard system

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