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Charles Maximilien Koch
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6711. Koch, C. M. March 28. Gas or explosive-vapour engines.-The explosions force two pistons B in opposite directions, and the pistons transmit their motion through links D, H and levers E to opposite cranks on the shaft G.
GB189906711D1899-03-281899-03-28Improvements in Petroleum Motors.
ExpiredGB189906711A
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