| 摘要 |
The inventive device comprises a tool holder ( 1 ), which can be displaced in an x-direction, in a y-direction that is perpendicular thereto, and in a z-direction that is perpendicular to both the x-direction and the y-direction, and which can rotate about the z-direction. A solid matter dosing head ( 350 ), provided as a tool, is automatically attached in a removable manner to the tool holder ( 1 ) by means of a permanent magnet ( 351 ). The tool can be easily exchanged for another tool due to this automatic removable attachment of said tool to the tool holder ( 1 ) involving the use of a permanent magnet ( 351 ).
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