General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 24631.1-2009
Scope
This part of GB/T 24631 specifies the terms and concepts related to the straightness of a single component. This section applies only to the straightness of all constituent elements. Note: The straightness of the extraction and derived axis of the cylindrical surface is defined by GB/T 24633.1 (ISO/TS 12180-1) and GB/T 24633.2 (ISO/TS 12180-2).
GB/T 24631.1-2009 Referenced Document
GB/T 18780.1-2002 Geometrical product specifications(GPS)--Geometrical features--Part 1: General terms and definitions
GB/T 18780.2-2003 Geometrical product specifications(GPS)-geometrical features--Part 2: Extracted median line of a cylinder and a cone,extracted median surface,local size of an extracted feature