Houghton, P.S.
Gears: spur helical bevel internal epicylic and worm. P.S.Houghton. - 3 ed. - London: Technical Press, 1970AD. - 200p.: ill.; 25cm.
Military and Marine Engineering.
623.862
Gears: spur helical bevel internal epicylic and worm. P.S.Houghton. - 3 ed. - London: Technical Press, 1970AD. - 200p.: ill.; 25cm.
Military and Marine Engineering.
623.862
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