Protective device

The utility model relates to the technical field of building construction, in particular to a protection device which comprises a fixing frame, an anti-falling plate is movably installed on the inner side wall of the fixing frame, positioning blocks are installed on the two inner side walls of the f...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: CHEN BIN, CAO MINGYU, HUANG JIAOJIAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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