GB/T 12459  异径三通 DN 1200×1200×65-Sch80TR

DN 1200×1200×65-Sch80 TR

LWN 50-150RF H=200

WN25-1500RF Sch16Sch40SRF S=3 STRF SC

SO 65(b)-16 RF SCH40-150

WN250B-16RF S=180 RC=84 FMlhJF S=FMl5-Sch60 RCRF/

WN 40-150 RF7040

WN300-300FManJL250p30000600ª7ni1f sc R03.5100=8F104cm0-10rfR7510061FHG5

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