Northman台湾北部精机,外啮合齿轮泵2GG1P05R,2GG1P05L,2GG1P07R,2GG1P07L,2GG1P08R,2GG1P08L,2GG1P16R,2GG1P16L,2GG1P18R,2GG1P18L,2GG1P20R,2GG1P20L,2GG1P22R,2GG1P28R,2GG1P28L,2GG1P30R,2GG1P30L,2GG1P33R,2GG1P33L