4. Horology: time measuring systems or devices
  5. Crown or stem details

Alfred Vollert

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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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Sealed control arrangement for a timepiece

Horology: time measuring systems or devices – Crown or stem details
Patent

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Timepiece with a rotating bezel

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

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Profile ID: LFUS-PAI-P-31130

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