GB/T 12459  偏心异径管 DN 450×10-Sch60REM S=Rampa

DN 450×10-Sch60 REM S=Rampa

WN25(A)-150 RF5=804 f26pJ Sch801

JWN 40×80(B)-16 M S=10 b=24L=2aSX

WN15(B)-16 RF S=10FB=287a.5Mket40l100R=110 blr-

PL200(B)-10 RF10 R21F d=87.6 f1=

bl50B)-100 fm50 SO80(B)-16RFHG/Sch80Sch80S�6 d=422-110-.66/

lwn5