Bridges; Browbars; Intermediate bars (nose engaging-surfaces G02C5/12)

Full Title

Constructions of non-optical parts > Bridges; Browbars; Intermediate bars (nose engaging-surfaces G02C5/12)

Child Classifications

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• G02C 5/04 with adjustable means
• G02C 5/06 with resilient means
• G02C 5/08 foldable
• G02C 5/10 Intermediate bars or bars between bridge and side-members