Hollow piston
Disclosed are hollow pistons made from a single piece of starting material and methods of manufacturing hollow pistons from the single piece of starting material. 公开了种由单件原材料制成的空心活塞以及由该单件原材料制造空心活塞的方法。
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Disclosed are hollow pistons made from a single piece of starting material and methods of manufacturing hollow pistons from the single piece of starting material.
公开了种由单件原材料制成的空心活塞以及由该单件原材料制造空心活塞的方法。 |
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