HG/T 20592  法兰 PL 50(B)-25 RFD=75 K=56.S=FFRJh D=а

pl50b)-25 rfD=75 K=56.S=FFRJh D=а

so125(a)-16 rf b=3=7mm/B)A080

SO 150(B)-10 RF

WN40(B)-16 RF S=3.5 d=86ampampampquothg206 d=2ch8B1=500B-1

wn25(b)-16ms=4h-160-1310RRFB=210

pl600(b)-16g b=3 d=892 k=840 b1=725 w50 RFF1H69

wn15-300rfs=3S=F

WN80-150RF B