Information recording tool for standardized statistics

The utility model discloses an information recording tool for standardized statistics, which belongs to the field of information recording, and comprises a movable frame with an open top and an open bottom, and an opening communicated with the inside of the movable frame is arranged on the front sid...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HOU HANFANG, ZHANG XUEFEI, SU HONGYU, CHEN MENG, LI JING, WANG ZIXING, ZHANG ZIJIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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