| 摘要 |
The present invention relates to a fastening technique for installing grille panels in frame sections that is faster and more secure and does not require tools. The grille is effectively secured against detachment from the frame, as the grille connectors are positively prevented from being pulled out of the grooves. Consequently, large pushing, pulling and detachment forces can be exerted on the grille without damaging the grille connectors.
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