GB/T 12459  异径三通 DN 1200×1200×400-Sch30TRSc0Fuotsers=105600B0=1444

DN 1200×1200×400-Sch30 TRSc0Fuotsers=105600B0=1444

BL 500-10 RFFF53rf n=64 a

SO 40(B)-10 RF60 TA=57 D=164 b=2 C=18 B=59A 10

SO250(B)-16 FFS=

AWN 650-600 RF D=70 GH5=50FS88/8

B WN 900-150 RF S=22

PL40(B)-16RFFЩҲвҖ.50rserv8�

SO 20"-900 ST