GB/T 12459  异径三通 DN 800×800×800-Sch100TR

DN 800×800×800-Sch100 TR

WN50-900 RJ Sch1/=18ch8-6Fl80ch1000-1580S0d-cr

DN25-PN25 PL/ D=510 S

PL 32-16 RF0(B)-RF-2.5-48-107b=3820

1 RF600-0.6/36

WN 200-150 RF Sch10S H1=

BL 600-6 RFpFT205 A=

WN 20(B)-63 M0-1h40h40sA

th40a-150rf/38-10 K=Fc11 B

PL 20