Northman台湾北部精机,两通常闭式锥阀SV12-22S-N-0-DG,SV12-22S-N-0-DL,SV12-22S-N-0-DR,SV12-22S-V-115-DR,SV12-22S-V-115-AG,SV12-22S-V-115-AP,SV12-22M-V-230-DG,SV12-22M-V-230-DL,SV12-22M-V-230-DR,SV12-22M-V-230-AG