This standard specifies the types, forms, sizes, technical requirements, markings, packaging and usage methods of measuring tools used for factory repair of Type 13A and No. 13 hook and tail frames. This standard applies to the design and use of measuring tools for factory repair of No. 13A hook and tail frames, and also applies to the measuring tools for factory repair of No. 13 hook and tail frames.
TB/T 2811-2007 Referenced Document
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications