4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Headed fastener element with nut, washer, securing means or cap
  6. Headed fastener element with securing means and biasing spring

Maurice Petignat

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Device for joining two elements

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed fastener element with securing means and biasing spring
Patent

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Locking fastener for spectacle temple piece

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Connectors
Patent

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Profile ID: LFUS-PAI-P-1722840

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