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See Chinese contents: QC/T 770-2020 QC/T 770-2020: Dry type air cleaner assembly of automobiles
This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage of dry-type air cleaner assemblies of automobiles. This document applies to dry-type air cleaner assemblies of automobiles (excluding passenger cars), which have a volume flow of less than 4000 m3/h. For the dry air cleaners for construction machinery, agricultural and forestry machinery, ships and stationary power, they may also refer to this document.
