This standard specifies the terms and definitions, markings, requirements, test methods, inspection rules and markings, packaging, instructions for use, transportation, and storage of pharmaceutical high-purity nitrogen generators. This standard applies to medicinal high-purity nitrogen generators (hereinafter referred to as nitrogen generators) that use the molecular sieve pressure swing adsorption method to produce nitrogen with a nitrogen content of not less than 99.999% purity.
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GB/T 16769 Metal-cutting machine tools.Measurement method of sound pressure level
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 19142 Packaging for export commodity.General rule*, 2016-02-24 Update
GB/T 3768 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane*, 2017-12-29 Update