Flute profile channel -section steel

The utility model discloses a flute profile channel -section steel, comprising steel plates, the top surface of steel sheet is provided with the mounting hole, the both sides surface of steel sheet isprovided with the strengthening rib, the bottom both ends of steel sheet respectively are provided w...

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Bibliographische Detailangaben
1. Verfasser: GUO HUCHENG
Format: Patent
Sprache:chi ; eng
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