Protection of trees ware

Protection of trees ware mainly includes two protective sheaths, and the protective sheath is the round platform type, and upper portion is wide partially, and the lower part is narrow partially, and the lower extreme card of a last protective sheath comprises two parts at the upper end of a second...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YU LINJIE, XU SHANKUN, LAN WEI, ZHANG ZIBEI
Format: Patent
Sprache:eng
Schlagworte:
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