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DE102019112614B3
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Oil scraper ring with rails arranged on one side
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DE102019105613A1
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DEVICE FOR SEALING A COMBUSTION CHAMBER OF A COMBUSTION ENGINE
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DE102018122258B3
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PISTON RING AND PISTON WITH INSIDE GROOVE SEALING
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DE102018120962A1
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Three-piece oil scraper ring
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DE102018119586A1
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Scraper ring for a three-part oil scraper ring and three-part oil scraper ring
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DE102018117198A1
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Multi-part oil scraper piston ring with reduced friction
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DE102018114232A1
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piston oil control ring
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US2018274675A1
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Piston ring with varying apex lines
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DE102018110981B3
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Method for producing a piston ring, as well as a Ölabstreifkolbenring produced by this method, in particular nose-minute piston ring
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DE102018108281A1
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OIL RIPPLE PISTON RING AND PISTON FOR RECEIVING AN OIL RENDERING PISTON RING
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DE102018107793A1
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Piston ring and piston ring / piston combination with improved wear characteristics
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DE102018106983A1
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Piston ring for two-stroke engines with a wear indicator
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DE102018105866A1
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Piston ring made of a sintered material with a material gradient
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DE102018104594A1
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Spacer spring for a three-piece oil scraper ring and three-piece oil scraper ring with this spacer spring
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DE102017221606A1
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piston ring
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DE102017126529B3
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Piston and two-piece oil scraper ring
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DE102017124698A1
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Piston and piston ring with reduced blow-by
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DE102017118773A1
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Piston ring set, piston and internal combustion engine
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DE102017007000B3
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Method for producing a piston ring
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DE102017114978A1
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piston oil control ring
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