货号：
BLF-PES5022SB/BLF-PES5022SGB/BLF-CA5022SB/BLF-CA5022SGB/BLF-PVDF5022SLB/BLF-PVDF5022SGLB/BLF-PTFE5022SLB/BLF-PTFE5022SGLB/BLF-NY5022SB/BLF-NY5022SGB/BLF-PES5022NB/BLF-PES5022NGB/BLF-CA5022NB/BLF-CA5022NGB/BLF-PVDF5022NLB/BLF-PVDF5022NGLB/BLF-PTFE5022
