DIN EN ISO 10438-4 (2008-07)被替代
Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries Part 4: Self-acting gas seal support systems (ISO 10438-4:2007); English version EN ISO 10438-4:2007
出版：German Institute for Standardisation (Deutsches Institut f眉r Normung)
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