4. Horology: time measuring systems or devices
  5. Cases
  6. Of particular material

Masahiko Waki

Inventor

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Back cover fixing structure for wristwatch

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

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Impact dot printing head

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent

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Retaining spring for a wristwatch case

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

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Structure for a watch case made of cemented carbide

Horology: time measuring systems or devices – Cases – Of particular material
Patent

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Timepiece push-button structure

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

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Profile ID: LFUS-PAI-P-733741

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