标准号:IS 5268-1969
发布日期:1969/12/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard lays down material, accuracy and other requirements for two grades of camel back type straightedges of sizes 300 to 5 000 mm for use on surface plates, testing machine tools, etc.