Low level horizontal jack's strenghthened type wallboard

The utility model relates to a low level horizontal jack's strenghthened type wallboard, the high wedge form in low back before its side view becomes, characterized by wallboard inboard middle sectiondown along welding a strengthening rib, it is high trapezoidal that the strengthening rib is pr...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KONG SHUYONG, SONG YAHUA, FANG JIAN, WANG JIHUI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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