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| [книга] |
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| Performance evaluation of ducts with non-circular shapes and laminar fully developed flow / Valentin Petkov Metodiev |
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| Gabrovo : Ex-press |
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| 2019 |
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| 107 p. : ill. ; 24 cm |
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ISBN: | 978-954-490-649-8 |
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| 621.1+502.171:620.9 |
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| ----------------- | --------------------------------------------------- | | C296927  | | 2020001543 дп | | Депозит | | |
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