| 摘要 |
A high-density metal alloy piston for internal combustion engine is disclosed, comprising a main body (10) in a single piece, such main body (10) having an external sliding skirt (19) along an engine cylinder and equipped with at least one seat (17) for inserting an elastic sealing band, and with a closing member (30) adapted to operate as piston crown when joined to said main body (10).
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