| 摘要 |
The invention relates to an expulsion device which is actuated by a pressure medium and which is used to expel objects or liquid materials from a reservoir by means of a drive piston which is impinged upon by a pressure medium, comprising a pressure medium container which is exchangeable via a pressure connection device and which connected to a drive device, enabling the pressure medium to impinge upon the drive piston which is used to connect the pressure medium container ( 23 ) and a stationary pressure source.
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