| 摘要 |
The invention relates to a grating consisting of parallel bearing bars connected by cross bars running perpendicular to the bearing bars, and of a frame, sheet-metal strips being located between the bearing bars. In order to improve a grating of this kind in such manner that it is easier to manufacture, it is suggested within the scope of the invention that a wire be inserted under each of the cross bars and the sheet-metal strip clamped between the wires and the cross bars.
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