4. Chain, staple, and horseshoe making
  5. Chains
  6. Ornamental

Eisuke Yokoyama

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Link for watch band and bracelet

Chain – staple – and horseshoe making – Chains – Ornamental
Patent

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Pneumatic time-limiting device

Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
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Profile ID: LFUS-PAI-P-458683

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