GB/T 12459  等径三通 DN 400-Ⅱ-9TS

DN 400-Ⅱ-9 TS

PL50-16RF RFS

WN300b-16rf/�

B BL 32"-300 RFCF FMD=-

WN 300-25 RF(b)h

PL 95-6 RF.RF0Sch40S

so20(b)-16 rfS6 AA=/kzefSch40M/6

WN 25-600 RJ4 TS229ذ

WN20(B)-10RF�@

SO400-150 RF Scpamp rf rffF F-6rf(0-0.6/RF Sch40F5ch4000ampquothg