Hollow poppet valve and manufacturing method therefor (Q122644187)
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US patent 11384842
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Hollow poppet valve and manufacturing method therefor |
US patent 11384842 |
Statements
Hollow poppet valve and manufacturing method therefor (English)
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Alberto Aimasso (Rivoli)
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Mario Filippo Caloiaro (Rivarolo C.se)
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Luigi Lia (Turin)
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Francesca Mancuso (Turin)
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Manuel Ruscigno (Rivarolo)
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