GB/T 12459  偏心异径管 DN 40×15-Ⅱ-8RE

DN 40×15-Ⅱ-8 RE

DN 25-Ⅱ-12 90EL

1 RF 900-1.0 δs=8

WN300(B)-10RF RF1

WN150-16RF009s RJ0=182.6 B=27RJdata5 RJ5�cF@�F s

47021 C-RF300-1.0

LWN80-150ff01/

2 FM 1800-0.6 δ1=14

BL10-10ffFF1fsD=300 C=30 A=114 B=170.5.5 RJj@5c2@RF@443RFfRFF-R

PL 20