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US08950375B2 Piston for an internal combustion engine 有权
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Piston for an internal combustion engine
摘要:
A piston for an internal combustion engine has a lower piston part and an upper piston part disposed on the lower piston part. The upper piston part has a top land that runs around its circumference, and a ring belt that runs around its circumference. At least the upper piston part consists of a sintered material.
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