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Bottom-hole vibration damper with a sheathed variable-rigidity elastic element

✍ Scribed by A. S. Velichkovich; S. V. Velichkovich

Publisher: Springer
Year: 1994
Tongue: English
Weight: 169 KB
Volume: 30
Category: Article
ISSN: 0009-2355
DOI: 10.1007/bf01147978

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