| 摘要 |
PCT No. PCT/EP94/00131 Sec. 371 Date Aug. 17, 1995 Sec. 102(e) Date Aug. 17, 1995 PCT Filed Jan. 20, 1994 PCT Pub. No. WO94/19787 PCT Pub. Date Sep. 1, 1994Functional component usable for demonstration and/or training purposes which can be releasably secured to the mounting face of a support base (1). It is provided with a clamping device (8) which is brought into engagement with a mounting recess (3) of support base (1), which is activated by rotating an actuating element (12). A downwardly extending clamping head (18) is mounted on the actuating element which is insertable into the mounting recess (3) and which can be positioned by rotating in such a manner that it engages behind two retaining protrusions in the mounting recess (3). By a further rotation of the actuating element, the functional element is clamped against the surface of the support base (1).
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