segmental cylindrical bar gauge with reduced gauging surfaces, segmental cylindrical bar gage with reduced gauging surfaces
lamekaarkorkkaliiber, mis on kavandatud simuleerima kahte rööpset vastassirgjoone lõiku kaliibri vähendatud silindervälispinnal kontakteerumisel mõõtmeelemendi silindri sisepinnaga, segmental cylindrical bar gauge designed to simulate two reduced opposite angular portions of a cylinder as a contacting surface with an internal cylinder
