4. Abrasive tool making process, material, or composition
  5. Impregnating or coating an abrasive tool

Tadashi Otsuka

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Frequency coupling position coordinates determination apparatus

Telegraphy – Systems – Position coordinate determination for writing
Patent

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Method and apparatus for manufacturing surgical needle

Electric heating – Metal heating – By arc
Patent

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Method of and apparatus for manufacturing eyeless suture needle

Electric heating – Metal heating – By arc
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Surgical needle

Surgery – Instruments – Suturing needle
Patent

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Surgical needle

Surgery – Instruments – Suturing needle
Patent

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Profile ID: LFUS-PAI-P-345896

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