4. Spring devices
  5. Fluid
  6. Expansible-contractible chamber device

Rainer Massmann

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Compact four-stroke combustion engine, especially for the...

Internal-combustion engines – Lubricators – Crankcase – pressure control
Reexamination Certificate

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Displacement element

Spring devices – Fluid – Expansible-contractible chamber device
Reexamination Certificate

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Four-stroke engine with rotary valve control

Internal-combustion engines – Valve – Rotary
Reexamination Certificate

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Gas spring

Brakes – Internal-resistance motion retarder – Using diverse fluids
Reexamination Certificate

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Gas spring

Brakes – Internal-resistance motion retarder – Using diverse fluids
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2212235

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