4. Brakes
  5. Internal-resistance motion retarder
  6. Using a rotary-type fluid damper

Youjirou Nakayama

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Multi-disc damper using viscous fluid

Brakes – Internal-resistance motion retarder – Using a rotary-type fluid damper
Patent

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Rotating damper

Baths – closets – sinks – and spittoons – Buffers and dashpots
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1727370

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