花崗石平板：平板是廣泛應(yīng)用于機(jī)械行業(yè)精密測(cè)試檢驗(yàn)劃線的重要工具。在產(chǎn)品生產(chǎn)檢測(cè)過(guò)程中嚴(yán)格執(zhí)行JB/T7975-1999巖石平板國(guó)家標(biāo)準(zhǔn)和JJG117-91平板計(jì)量檢定規(guī)程并可為國(guó)內(nèi)外客戶提供按不同國(guó)家標(biāo)準(zhǔn)的花崗石產(chǎn)品。規(guī)格長(zhǎng) 寬 厚重量精度等級(jí)（ m）0000001300 200 50171.53612300 300 50191.53612400 300 70251.53612400 400 704823.56.513630 400 1007623.5714630 630 10015524816800 500 130156248161000 630 1302842.54.59181000 750 1503382.559181000 1000 1504502.5510201600 1000 2009633612242000 1000 20012003.56.513261600 1600 30023123.56.513262000 1600 30028903.5714282500 1600 30036124816323000 2000 50090304.5918364000 2000 500120405.51122446000 2000 700252847.5153060