NB/T 47022  法兰 RF 1400-1.0 δ1=10

2 RF 1400-1.0 δ1=10

WN100-16 RF S=11mm/

so200(b)-10 rf n=12

SP-6-20-126404 D/

PL200(B)-10RFHG/h=8

SOP RF 16K 20A/

SOP FF 10K 200A d/

WN60-40M5ch60ic/rf b500(86

SO50(B)-25FM b=4/

WN40B-10RFS=39 bl600-15F09 SO150-150 RF150R-1m800-F Sch=80S0 RF Sc150R