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国外有客户需要中国产大理石，产品要求： <br>SIZE: 600X600X20 MM.; 600X300X20 MM <br>TOLERANCE :LENGTH OR WIDTH = +/-1 mm <br>:THICKNESS AND BEND = +/-1 mm <br>:ON SQUARE = +/-0,3 mm <br>:ON PLANE = +/-0,3 mm <br>POLISHING DEGREE :85 DEGREES MINIMUM <br>DAMAGE IN ANGLE :UNDER 1 x 1 mm <br><br>尺寸: 600X600X20 MM.; 600X300X20 MM <br>长度和宽度公差= +/-1 mm <br>厚度和弯曲公差= +/-1 mm <br>方形公差= +/-0.3 mm <br>平面公差= +/-0.3mm <br>光洁度：最小85度 <br>角的损坏度：最大1 x 1 mm <br><br>望有兴趣的厂家和我联系.[上海金万利国际贸易有限公司]
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