4. Electric heating
  5. Metal heating
  6. Chain

Roger Ecoffet

Inventor

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Method for fixing a crown screwed on a watch case and watch...

Horology: time measuring systems or devices – Crown or stem details
Reexamination Certificate

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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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Packing

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Packing

Horology: time measuring systems or devices – Cases – With bezel or crystal details
Patent

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Profile ID: LFUS-PAI-P-469237

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