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An artificial sand stone element, method for the production of artificial sand stone element; the use of desert sand for the production of an artificial sand stone element
An artificial sand stone element, method for the production of artificial sand stone element; the use of desert sand for the production of an artificial sand stone element
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机译:一种人造砂石元素,生产人造砂石元素的方法;使用沙漠砂生产人造砂石元素
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摘要
The invention concerns an artificial sandstone element, a method for producing an artificial sandstone element and the use of desert sand for producing an artificial sandstone element. The invention provides the advantage that the sand corresponding to a fraction less than 90 % of the artificial grit element, is easily biodegradable and is almost inexhaustible.
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