Pulley device for building

The invention discloses a pulley device for a building, which belongs to the technical field of building auxiliary equipment. A pulley supporting frame body and a pulley supporting frame base can slide to fold and unfold; a folded pulley structure is smaller in size, so that the pulley structure can...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DUAN RONGLI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CAPSTANS HAND CARRIED BAGS HAND OR TRAVELLING ARTICLES HAULING HOISTING HOISTS HUMAN NECESSITIES LIFTING LUGGAGE PERFORMING OPERATIONS PURSES TACKLES, e.g. PULLEY BLOCKS TRANSPORTING WINCHES
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