GB - Chinese national standards

Machine tools--Speeds and feeds

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Glossary of terms for dimensional measuring instruments—General terms

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Glossary of terms for dimensional measuring instruments—Product terms

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Fuzzy control devices and systems Method of evaluating performance

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General principle of energy audits

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General rules for energy measuring instrument equipping and managing of energy user

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Dentistry—Metallic materials for fixed and removable restorations and appliances

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Test method for the EL2 deep donor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy

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Aquosity aluminium paste

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417 Bar code

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