This standard specifies the types, forms, sizes, technical requirements, markings, packaging and usage methods of measuring tools for section repair type 13A and No. 13 hook and tail frames. This standard is applicable to the design and use of measuring tools for section repairing No. 13A hook and tail frames, and also applies to measuring tools for section repairing No. 13 hook and tail frames.
TB/T 2812-2007 Referenced Document
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications