Sealed type piston ring

The utility model relates to a sealed type piston ring which is composed of a circular ring body (2) and an opening (3). A ring body opening (4) is arranged at the opening (3), and the opening (3) is larger than the ring body opening (4). Gap connecting positions are arranged between the ring body o...

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Bibliographische Detailangaben
1. Verfasser: CHEN MENGJIANG
Format: Patent
Sprache:chi ; eng
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