Hydraulic automatic inner mold retracting and releasing device for prefabricated box girder

The utility model belongs to the field of expressway precast box girder forming die equipment, and relates to a hydraulic automatic inner die retracting and releasing device for a precast box girder, which adopts an integral foldable stainless steel die, and after concrete of a girder body reaches t...

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Bibliographische Detailangaben
Hauptverfasser:	MAO BO, LIANG FUGUO, LIU BIN, YU XIN, LIU YAN, WEN JINGQUAN, LIU RUIJIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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