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                              JB 7218-2004 - T drum pressure liquid filter cartridge 

                              JB 5087-1991 - T internal combustion engine oil filtration 
                             GBT 20080-2006 hydraulic filter 
                             HG/T 2352-1992 magnetic plasma filter thread wound filter 
                             HY/T 055-2001 - fold cartridge microporous membrane filter 
                            JB/T 10910-2008 injection is commonly used in rotary air compressor oil and gas separation filter 
                            JB/T 7218-1994 drum pressure filter cartridge 
                            JB/T 9756-2004 internal combustion engine air filter paper filter