/ RDLs / ISO 15926 Part 4: Core reference data - Edition 4 / PISTON RIDER RING

PISTON RIDER RING

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https://posccaesar.org/ontology/15926-4/4.0/PISTON_RIDER_RING
Definition A <PISTON RIDER RING> is a <RING> that is a rectangular ring with a small opening and serves as piston wear band inside the cylinder