Dismantled and assembled stairwell teaching mode

The utility model provides a dismantled and assembled stairwell teaching mode, include: whole stairwell teaching mode bottommost is located to the isolated footing, forms square structure, the frame post, locate each isolated footing respectively on, form the cuboid structure, the frame roof beam is...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEI PING, XU CONGFA, ZHANG MIN, DING JUEHAO, BAI CHUANRUI, YANG YEXIU, ZHU SHUANGYING, SUN PENG
Format:	Patent
Sprache:	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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