4. Compositions
  5. Etching or brightening compositions

Kazuyoshi Ogawa

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Brightening chemical polishing solution for hardened steel artic

Etching a substrate: processes – Nongaseous phase etching of substrate – Etching inorganic substrate
Patent

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Brightening chemical polishing solution for hardened steel artic

Compositions – Etching or brightening compositions
Patent

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Circuit for integrating analog signal and converting it into dig

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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Friction transmission unit

Friction gear transmission systems or components – Friction transmission or element – Particular friction surface
Reexamination Certificate

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Pulse width modulation circuit and integration circuit of analog

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Profile ID: LFUS-PAI-P-1128301

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