Screw threads for spectacle frames

Míreanna comhchosúla

• Spectacle frames
  de réir: 8096 British Standards Institution
  Foilsithe / Cruthaithe: (1992)
• Terms for cylindrical screw threads
  de réir: 8096 British Standards Institution
  Foilsithe / Cruthaithe: (1984)
• Tapping screw threads
  de réir: 8096 British Standards Institution
• Spectacle frames made of cellulose acetate
  de réir: 8096 British Standards Institution
  Foilsithe / Cruthaithe: (1962)
• ISO metric screw threads
  de réir: 8096 British Standards Institution
  Foilsithe / Cruthaithe: (1981)