GB - Chinese national standards

Specifications for operation management of planting service project on internet

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Specifications for operation management of tea project

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Societal security—Mass evacuation-Guidelines for planning

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Terminology for phonetics and acoustics examination in forensics

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Vacuum technology—Leak testing method by quadrupole mass spectrometer

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Geometrical product specifications (GPS) - Surface texture: Profile method - Terms, definitions and surface texture parameters

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Code of practice of assessment for development and utilization of ocean energy

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Grade for closed process water circuit in coal preparation plant

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Magnetite content measurement method for heavy medium suspension used in heavy medium cyclones in coal preparation plant

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Sealed coring method for determination of coalbed methane content

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