Tree planting problem demonstration appearance

The utility model discloses a tree planting problem demonstration appearance, including working plate and support frame, one side fixed mounting of working plate has the iron sheet, be equipped with circular pattern on the iron sheet, the below of circular pattern is equipped with linear pattern, th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HU FANGXIA, YIN JIAQIN, HAI LI, LYU KAIYUE, LIU XINYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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