标准号:IS 2251-1965
发布日期:1965/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard covers the requirements of plug and ring gauges for the verification of internal and external self-holding tapers conforming to IS: 1715-1963〓.1.2 The basis of designing the plug and ring gauges for different sizes is given in Appendix A, which also gives the method of using various types of gauges.