Photo 1 of Oumefar 4 Stroke Internal Combustion Engine Model Engine Model Four-Stroke Single-Cylinder Engine Model for Physics Mechanics Experiment Teaching Instrument

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Photo 1 of Oumefar 4 Stroke Internal Combustion Engine Model Engine Model Four-Stroke Single-Cylinder Engine Model for Physics Mechanics Experiment Teaching InstrumentPhoto 2 of Oumefar 4 Stroke Internal Combustion Engine Model Engine Model Four-Stroke Single-Cylinder Engine Model for Physics Mechanics Experiment Teaching Instrument