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| Spxflow, R135 Impeller, (site visited Sep. 21, 2023), SPXFLOW.com website, URL:<https://www.spxflow.com/lightnin/products/r135-impeller/> (Year: 2023). |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 17165564 | Feb 2021 | US |
| Child | 29773911 | US |