花岗石平行规品名...............................规格尺寸.....................精度等级花岗石平行规.......................250X40X25mm........00级花岗石平行规.......................300X50X30mm........00级花岗石平行规.......................400X63X40mm........00级花岗石平行规.......................630X100X65mm......00级一、产地:1)中国山东二、售后承诺:1)计量不合格品退换,并赔偿计量费用!