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18613686932FK4 角接触FK5 角接触EK3 角接触EK4 角接触EK5 角接触EK6EK8EK10EK12EK15EK20EK25EF6EF8/10/12EF15EF20EF25C-TFK4C-BUFN10C-BUFN12C-BUFN15C-BUFN20C-BUFN25C-BUFN30C-BUFN35C-BUFN40E-TLF6E-TLF8E-TLF10E-TLF12E-TLF15E-TLF20E-TLK6E-TLK8SE-TLK10SE-TLK10E-TLK12E-TLK15E-TLK20C-BSFW10C-BSFW12C-BSFW15C-BSFW17C-BSFW20C-BSFW25C-BSFW30C-BSFW35C-BSFW40C-BUFN17