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Internal-combustion engines
Free piston
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Uniflow scavenging microengine
Internal-combustion engines – Free piston – Single chamber; one piston
Reexamination Certificate
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Unsymmetrical free piston engine
Internal-combustion engines – Free piston – Single chamber; one piston
Patent
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Unsymmetrical free piston engine
Internal-combustion engines – Free piston – Single chamber; one piston
Patent
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