GB/T 12459  偏心异径管 DN 125×90-Sch40SRE

DN 125×90-Sch40S RE

WN60-300RFScompf b=4Schch40Sal

PL100(B)-16 RF5023

WN80(B)-16 RF3317

WN80(B)-16 RF45155

PL 600(B)-10 RF

wn125(B)-25FMFF¡

WN80(B)-16 RF3400

BL200-10RFh797

WN80(B)-16 RF6868ⅡF S=4-6 RF..5 RJj@5c2@RF@443RF@AFF ScFFF@Jf�2005@.5 R