1970BS EN ISO 3611:2023 Geometrical product specifications (GPS). Dimensional measuring equipment. Design and metrological characteristics of micrometers for external measurements
0000 BS EN ISO 3611:2010(2015)
2011BS EN ISO 3611:2011 Geometrical product specifications (GPS). Dimensional measuring equipment. Micrometers for external measurements. Design and metrological characteristics
2011BS EN ISO 3611:2010 Geometrical product specifications (GPS). Dimensional measuring equipment. Micrometers for external measurements. Design and metrological characteristics
2008BS 870:2008 Specification for external micrometers
1950BS 870:1950 Specification for external micrometers