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Air flow through poppet valves (1920)
NASA Technical Reports Server (NTRS) · leaf 0
THROUGH IPOPPET VALVES - ■ ■ >; < . . : ^ ^V»S&>I^PRmT FROM FOURTH ANNUAL RfiPO . £ & . . ' d > • - s i : .' .51 , WASHINGTON ^'^St^'^^VBBNMEOT PRINTING OFFICENASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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