4. E - Fixed Constructions
  5. 05
  6. B

Rolf Bruhin

E - Fixed Constructions – 05 – B

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Inventor

Country: Switzerland

Electro-optic welding lens assembly

G - Physics – 02 – F
Patent

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Electronically coded cylinder lock and key

E - Fixed Constructions – 05 – B
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Light filter with automatic regulation of optical transmission

G - Physics – 05 – D
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Light filter with automatic regulation of optical transmission

G - Physics – 05 – D
Patent

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Profile ID: LFCA-PAI-P-425658

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