GB/T 12459  同心异径管 DN 100×80-Ⅱ-4RC

DN 100×80-Ⅱ-4 RC

DN200/PN16/11B

WN 100(B)-63 FM S=7

pl800(b)-2.5rf1001أ

WN 150(B)-25 FM S=5

WN200-25RF,SF.0/70- II2/u00e2-150

wn15b-25rf5(b)-100rf00mpa

法兰PL65(B)-16RF0 FM600FMF0@��16RF75 RJ1)/130-0Sl.5 RJch400F S15016rf sc-1ampampRF-16

b�