BSI BS 1127-4
BS BS 1127-4 1990-JUN-29 Screwng des and denuts - Part 4 Termnology for crcular screwng des
BS BS 1127-4 1990-JUN-29 Screwng des and denuts - Part 4 Termnology for crcular screwng des
Intended for production of threads to ISO standard and gives corresponding terms in the 3 official ISO languages English, French, and Russian and equivalent terms in German, Italian and Dutch.