| 摘要 |
The support comprises a bar (2) made of two or more sheet-metal plates which are connected with each other. At least one of the bar metal plates is reinforced. The reinforcing fins (211,212) of one bar plate (21) is bridged-over by flat parts and/or other extending reinforcing fins of another bar plate (22). The flanges (3,4) are formed by angled parts of the bar plates (21,22).
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