首页> 外国专利> REINFORCED CONCRETE CHIMNEY STRUCTURE AS WELL AS CRADLING DEVICE FOR CRADLING THE CANTED PRISMATIC HOLLOW OF SQUARE SECTION TO BE FORMED IN CHIMNEY MEMBERS

REINFORCED CONCRETE CHIMNEY STRUCTURE AS WELL AS CRADLING DEVICE FOR CRADLING THE CANTED PRISMATIC HOLLOW OF SQUARE SECTION TO BE FORMED IN CHIMNEY MEMBERS

机译:烟囱构件的钢筋混凝土烟囱结构以及方管的矩形方尖底空心孔的铺装装置

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