dqsh.cnpc.com.cndqsh.cnpc.com.cn/dqsh/zbgg/201811/86e08cba1ef64... · a. This Standard...
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dqsh.cnpc.com.cndqsh.cnpc.com.cn/dqsh/zbgg/201811/86e08cba1ef64... · a. This Standard Specification covers the fabrication of low chrome and stainless steel internals. b. Exceptions