Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby

Child Classifications

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• F01B 23/02 Adaptations for driving vehicles, e.g. locomotives
• F01B 23/06 Adaptations for driving, or combinations with, hand-held tools or the like
• F01B 23/08 Adaptations for driving, or combinations with, pumps
• F01B 23/10 Adaptations for driving, or combinations with, electric generators
• F01B 23/12 Adaptations for driving rolling mills or other heavy reversing machinery