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红土陶瓷管是陕西省埧桥砖瓦厂在1957年7月份利用红土为原料,管内外都上釉,试制成功的新产品.它的规格有100×16×2公分和100×11×2公分两种.经西安市
The laterite ceramics pipe is a new product successfully manufactured in July 1957 by using the laterite as raw material, both inside and outside of the pipe, in Shaoqiao Brickyard in Shaanxi Province. Its specifications are 100×16×2 cm and 100×11×2 cm. Two kinds by Xi’an