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Inventor
FUNAMOTO JUNICHI
JP
2 patents
Patents
2 patents
US4729726A
Mar 8, 1988
Housing structure for a multiple-rotor type rotary piston engine
MAZDA MOTOR
10 citations
69
US4973233A
Nov 27, 1990
Four-rotor type rotary piston engine
MAZDA MOTOR
19 citations
68