GB/T 12459  异径三通 DN 550×550×65-Sch120TR

DN 550×550×65-Sch120 TR

SO 80(B)-16 RF0083/data/

DN 200×200×90-Sch40S TR

SO300(b)-16ff6/60

SP-2200F0-150rfïS= δ=6 S110

SO 600(B)-16 RFB)-400 fm/0S/0otHG20615 WN450-600RJ&

PL100-40 RF H0S5050-fm

pl125-6rf aa=3

WN 10"-600 RF S=0/R3rf/10 r