GB/T 12459  弯头 DN 150-Sch2090EL/F RFF B=/

DN 150-Sch20 90EL/F RFF B=/

SP-10Hr=ï؟½F60-ch60-10

PL40(B)-6RF HG/T2056 RFRF(bu00cF fsTD8�3.

BL 500-25 RF B=35/70-pam

SO500(B)-16RFu¦& s=850

WN50B-25RFS=4.5592/Fc=66

Pl40(B)-16 fF b=2 BB=/0.

PL 80(B)-16 RF-100rfF5 �Fmpampa0 /Sch�ch10S5FD

HG