钢板抗拉强度与断后伸长率试验方法GB/T 228.1-2010
Test Method for Tensile Strength and Post-Fracture Elongation of Steel Plates GB
TEL：0531-87219386/88
Email：cbtest@163.com
Website： http://www.jncbtest.com/
Address：山东省济南市长清区归德镇南园开发区
Fifteen Years Professional Laboratory Equipment Manufacturing Service Provider
Copyright © 2018 济南川佰仪器设备有限公司 All Rights Reserved 版权所有
