GB/T 12459  异径三通 DN 700×700×100-Sch60TR 90EL3/u0

DN 700×700×100-Sch60 TR 90EL3/u0

20615WN25-25FM-1r/-1.0/30��RRF0.RF

PL100B-16 FF-138150 RF1.0/120-6FM-16 r

BL 50 -150 rfmp.6

WN150-150RF Sch80S/00c3/u008

WN25(B)-16 RF S=3

B WN28"-150 RF8/RF

WN 80B)-16 RF S/h

LJ 10"-150 FF Sch8

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