Hole protection device

The utility model discloses a hole protection device which comprises a protection plate, the protection plate is installed on a hole through an installation piece, the protection plate is connected and installed on the installation piece in the mode that the hole can be opened and closed, and the in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN JIAQI, GUO HAO, HU YUEWU, CHEN KUNYANG, LIAO JINXIANG, XIAO FA, CHEN JIANLIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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