HG/T 20592  法兰 PL 250-16 MmRF=133-s/TS

PL250-16 mmRF=133-s/TS

2 RF 1600-1.0h80S)80€¦Â¡r0-60=

AXA-2-h8C=20 B=139le=102sca/c.6400Rb1658=a=1f

PL 125(B)-16 RF b=

BL32-900RFSch80–2fF(b)-6r0S0205

WN100b-10rf34hg5K=240r5RF-1/

WN80-150RF A=89 B=7´=1

wn700-16rf16RF S=4G(B)-6RF30FSc

wn500