Novel file is used in english teaching

The utility model discloses a novel file is used in english teaching, including first box body and second box body, the bottom of first box body and second box body is rotated and is connected, be equipped with a plurality of round holes on the lateral wall of first box body and second box body, eve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SUN JIDUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BOOKBINDING FILE CARDS FILES FILING APPLIANCES INDEXING PERFORMING OPERATIONS SHEETS TEMPORARILY ATTACHED TOGETHER SPECIAL PRINTED MATTER TRANSPORTING
Online-Zugang:	Volltext bestellen
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