4. Typewriting machines
  5. Key-board or key lever-actuating mechanism
  6. Key-board including keys grouped to facilitate positioning...

Michihiro Aoyama

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Compact ergonomic keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including keys grouped to facilitate positioning...
Patent

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Data input device with a manually operable key having static ele

Electricity: circuit makers and breakers – Electric switch details – Cases and bases
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Profile ID: LFUS-PAI-P-1286223

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