4. Measuring and testing
  5. Surface and cutting edge testing
  6. Roughness

Hitachi Electronic Engineering Co., Ltd.

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Mount for recording media and recording media library...

Dynamic information storage or retrieval – Dynamic mechanism subsystem – Access of multiple storage elements
Reexamination Certificate

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Protrusion sensor for sensing protrusion on a disc

Measuring and testing – Surface and cutting edge testing – Roughness
Patent

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Profile ID: LFUS-PAI-P-1880101

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