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Paragraph 16 : Claim 6

Claim 6.

A four-stroke internal combustion engine according to claim 3, in which the gear [20] supported by the sleeve [28] has respectively an even or uneven number of teeth when the number of teeth of the splines between the drive shaft [17] and the sliding tube [32] and the number of teeth of the splines at the abuting ends of the drive shaft [17] and of the shaft [18] of the second crankshaft [5] are respectively uneven or even.

 

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