Autopneumatic definitions

Autopneumatic

• (a.) Acting or moving automatically by means of compressed air.
Found on http://thinkexist.com/dictionary/meaning/autopneumatic/

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Autopneumatic

Au`to·pneu·mat'ic adjective [ Auto- + pneumatic .] Acting or moving automatically by means of compressed air.
Found on http://www.encyclo.co.uk/webster/A/150

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