HG/T 20592  法兰盖 BL 80-100 RF c1.6 t=/70-150 S=10C=35H=850

bl80-100rf c1.6 t=/70-150 S=10C=35H=850

WN40-300M Sch8 h=35 h=1248 hpampampquothg20615 wn350-60δs=

WN 32-600 RF Sch40SRF124 S=80 RF S=6 RF S=4=16

WN 32-900 M Sc0 S=80 RF S=6 RF S=4=16

SO400(B)-300RFлXC&@ RF S=4 S=80 RF S=6 RF S=4=16

WN150