fhf787284840 发表于 2021-11-12 11:05:58

ISO 15783-2002 Seal-less rotodynamic pumps -- Class II -- Specification

ISO 15783-2002 Seal-less rotodynamic pumps -- Class II -- Specification
非密封转子动力泵 II级 规范



admin 发表于 2021-11-21 18:06:02

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