NB/T 47022  法兰 RF 1400-1.0 16S=M

47022 RF 1400-1.00 16S=M

SO 16"-150 RF

SO 24"-300 RFB3 RF S=aat

47022 c-ff1000-1

PL40(B)-40 RF b=3F RFF3Fhg/?setting-drawing.html=

WN 300-150 RF Sch60 B=303.5

PL40(B)-40 RF b=3F RFF3Fhg/

5 RF 500-6.4

DN 25-Ⅱ-4 90EL

BI 356â¶Fh40RRFR50�