GB - Chinese national standards

General specification for hard disk drive

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Chemical reagent - Disodium hydrogen phosphate dodecahydrate

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Thin epoxide woven glass fabric copper-clad laminated sheet general purpose grade for use in the fabrication of multilayer printed boards

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Test method for resistance of conductors of printed boards

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Terms for the measurements of the properties of the piezoelectric crystals

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Test methods for electroelastic constants of piezoelectric crystals

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Ceramic base body using in carbon film resistor

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Stripline test method for complexpermittivity of microwave dielectric substrates

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Methods of in-orbit testing for GEO communication satellite payload performance

Available languages: English, Chinese

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Chemical reagent--Sodium fluoride

Available languages: English, Chinese

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