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序号 标准资料名称 单价 (元 )(含邮资 )1GB15 1— 1999《管壳式换热器》 702GB15 1— 1999《管壳式换热器》标准释义 5 83JB470 8— 2 0 0 0《钢制压力容器焊接工艺评定》JB/T470 9— 2 0 0 0《钢制压力容器焊接规程》JB4744— 2 0 0 0《钢制压力容器产品焊接试板
Serial number standard information Name Price (yuan) (including postage) 1GB15 1- 1999 “shell and tube heat exchanger” 702GB15 1- 1999 “shell and tube heat exchanger” standard definition 5 83JB470 8- 2 0 0 0 “steel pressure Container welding process assessment ”JB / T470 9-200“ steel pressure vessel welding procedures ”JB4744-200" steel pressure vessel welding test panels