Special ladder of sapling grafting

The utility model relates to an agricultural field especially relates to a special ladder of sapling grafting with the technical field of ladder, and high support effect and work efficiency are carried to it, including left step, right step and backup pad, all be provided with multiunit ladder frame...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG SHUTING, DU XUEMEI, YANG TINGZHEN, WANG YUE, WANG QIAN, GAO JINGDONG, GAO ZHONGDONG, WU YANXIA, CAI HUACHENG, LI CHUNYAN, GONG GUIHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS LADDERS
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