4. Electric heating
  5. Metal heating
  6. Chain

Joseph Eray

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Method for welding hinge pins onto elements intended to form hin

Electric heating – Metal heating – Chain
Patent

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Watch case with separable back cover

Horology: time measuring systems or devices – Cases – Wrist worn
Patent

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Watertight push button device, particularly for controlling a ti

Horology: time measuring systems or devices – Cases – With protection means
Patent

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Profile ID: LFUS-PAI-P-469238

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