GB/T 12459  异径三通 DN 950×950×100-Sch140TR-150rf-sch41

DN 100×100×950-Sch140 TR-150rf-sch41

BL100-150 RF0 rf115/9R0h125

BII 1700

47021 M600-0.6

WN 250(B)-25 RF S=5h���

pl50-16ff d=135 aa=43.2 c=�700780

wn50-150rf s=8FF.3=65-0.0-cF00-15RF a5ãmp

WN125B-160RJ)-6 f1=rC

SO400(B)-16RF S=4

wn300(b)-2