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Making Precast Prestressed Concrete Lintels Download as PDF File .pdf , Text File .txt or read online. Steel moulds, long enough to make several lintels end to end, are placed side by side on a concrete bed. The ends of the moulds have holes
Shanghai Seven Trust Industry Co., Ltd, founded in the year 2008, is a hi-tech enterprise which specializes in the R&D, sales, and service of WPC materials, Provide excellent products, professional technology and sincere service.