GB/T 19763-2005
ActiveGuide to the use of preferred numbers and of series of preferred numbers
优先数和优先数系的应用指南
Application Summary AI generated
This standard provides guidance on applying preferred numbers and their series, which are systematically rounded values used to simplify product specifications and reduce variety. It is applied in engineering design, manufacturing, and procurement across industries such as mechanical, electrical, and electronic components, where selecting standardized sizes, ratings, or tolerances ensures interchangeability and cost efficiency. The guide is particularly relevant for dimensional coordination, power ratings, and performance parameters in product development and testing.
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