GB/T 12459  等径三通 DN 200-Sch40STS

DN 200-Sch40S TS

SO 450(B)-100 RF

LWN20-300 M

SO 450(A)-100 RF

wn125-25g3-166b1125 Rch

PL15-10RF

SO 450(B)-63 RF

SO 450(A)-63 RF

PL40(B)-16mm

SO 450(B)-40 RFF10S10 RFampampampampampampampampwd=&ampampampampamp;eqid=80ebfc4e000393e300000005