involving features specific to the use of a compressible medium, e.g. air, steam

Full Title

Servomotor systems without provision for follow-up action; (F15B3/00 takes precedence) > involving features specific to the use of a compressible medium, e.g. air, steam

Child Classifications

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• F15B 11/064 with devices for saving the compressible medium
• F15B 11/068 with valves for gradually putting pneumatic systems under pressure
• F15B 11/072 Combined pneumatic-hydraulic systems (F15B11/032 takes precedence)