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Spark plug
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Spark plug
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Dual circuit breaker construction
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Dual point circuit breaker having simplified spark advance mechanism
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Spark plug
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Internal-combustion engine with compressor
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Internal-combustion engine with compressor
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Internal-combustion engine speed control
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Ignition timing control for internal-combustion engines
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Speed control for internalcombustion engines
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Speed control for internalcombustion engines
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Internal-combustion engine
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Intake control for internalcombustion engines
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Internal-combustion engine
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Opposed piston internal-combustion engine
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Two-cycle opposed piston engine
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Combined carburetor and degasser
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Internal-combustion engine
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Apparatus for machining preformed holes
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Method and apparatus for machining materials
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