4. Internal-combustion engines
  5. Particular piston and enclosing cylinder construction
  6. Piston

Hans-Jürgen Köhnert

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Multipart cooled piston for a combustion engine

Expansible chamber devices – Piston – With ported chamber in piston part for circulating heat...
Reexamination Certificate

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Single-part cooling channel piston for a combustion engine

Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2684466

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