DIN 8257-1:1987-11
Jewels for fine mechanics; watch jewels, flat

Standard No.

DIN 8257-1:1987-11

Release Date

1987

Published By

German Institute for Standardization

Latest

DIN 8257-1:1987-11

DIN 8257-1:1987-11 history

• 1987 DIN 8257-1:1987-11 Jewels for fine mechanics; watch jewels, flat
• 1987 DIN 8257-1:1987 Jewels for fine mechanics; watch jewels, flat