Experience of using a vacuum extractor
The idea of creating a vacuum apparatus was put forward about 150 years ago (McKay, Zeman, Simpson, etc.). However, the method received wide application only after the creation of Finderle (Yugoslavia, 1952) and, independently of him, Malmstrm (Sweden, 1953) of more advanced models of vacuum extractors.
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2003 ◽
Vol 36
(1)
◽
pp. 87-127