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High-Speed Oil Engines for Vehicles. Part III (1927)
NASA Technical Reports Server (NTRS) · leaf 33
Fig.29 Section of Benz-Sendling Fig.30 M.A.N, heavy-oil engine for heavy-oil engine vehicles. 73^» A.5,NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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