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NF S80-504 (03/1995) (R2010) Horology. Corrected cycloidal or involute toothing gears. Toothing for coupled gears. - Horlogerie
NF S80-505 (03/1995) (R2010) Horology. Corrected cycloidal or involute toothing gears. Toothing for trains of gears. - Horlogerie
NF S80-525 (03/1995) (R2010) Horology. Corrected cycloidal toothing gears. Step up gears. Basic profiles. Driving gear and driven gear. - Horlogerie
NF S80-526 (03/1995) (R2010) Horology. Corrected cycloidal toothing gears. Step up or reducting gears. - Horlogerie
NF S80-541 (03/1995) (R2010) Horology. Corrected cycloidal toothing gears. Spring-barrel centre gears. - Horlogerie
NF S80-565 (03/1995) (R2010) Horology. Involute toothing gears. Basic racks. - Horlogerie
NF S80-566 (03/1995) (R2010) Horology. Involute toothing gears. Normal toothing. - Horlogerie
NF S80-567 (03/1995) (R2010) Horology. Reducing involute toothing gears. Corrected toothing without variation of centre distance. - Horlogerie
NF S80-568 (03/1995) (R2010) Horology. Reducing involute toothing gears. Corrected toothing with variation of centre distance. - Horlogerie
NF S80-801-1 (03/1995) (R2010) Horology. Technical definitions. Part 1 : technical and scientific definitions. Basic terms. - Horlogerie
NF S83-278 (03/1995) (R2010) Horology. Index keys. - Horlogerie
NF S83-300 (03/1995) (R2010) Horology. Balance springs. - Horlogerie