标题: ISO 10438-4-2007 Petroleum, petrochemical and natural gas industries — Lubrica [打印本页] 作者: liuxilin1215 时间: 2019-3-1 17:26:56 标题: ISO 10438-4-2007 Petroleum, petrochemical and natural gas industries — Lubrica
ISO 10438-4-2007 Petroleum, petrochemical and natural gas industries — Lubrication, shaft-sealing and control-oil systems and auxiliaries — Part 4: Self-acting gas seal support systems