GB/T 12459  偏心异径管 DN 125×100-6.55RE

DN 125×100-6.55 RE

WN 20-16 RF80(b)-WN

PL 50(B)-16 RF B=52 b=3

HP-2 ذ ï؟�

PL 250(B)-10 RF

PL 200(B)-16 RF

PL50A-10RF

WN 80-150 RF

DN80-Class300 LHL RF t1=10 t2=10

PL 200(B)-10 RFch40S RF Sch10SRE-100rf00mpa FM600FMF0@��16RF75 RJ1)/130-0Sl.