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Normas DIN – AENOR
DIN 8257-2:1969-11

DIN 8257-2:1969-11

Jewels for fine mechanics; watch jewels, balance jewels

Pierres pour la petite mécanique; pierres pour montres, pierres bombées

Lagersteine der Feinwerktechnik; Lochsteine für Uhren, bombiert

Fecha Anulación:
2015-11 /Withdrawn
Keywords:
Cylindrical shape, Definitions, Dimensions, Edge, Fine mechanics, Height, Holes, Horological jewels, Length, Materials, Preferred sizes, Stone, Tolerances (measurement), Watch jewels, Watches, Wells
20,37
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