GB/T 18476-2019流体输送用聚烯烃管材耐裂纹扩展的测定慢速裂纹增长的试验方法(切口试验)国家标准
英文:Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation—Test method for slow c...
英文:Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation—Test method for slow c...