GB/T 12459  等径四通 DN 400-Sch120CRS

DN 400-Sch120 CRS

BL25-10rf

DN800-PN6 WN RF

SP-500-40MFH42

SO 50-600 T╘п╠5290

bl500(b)-10 rff

PL50(B)-16 RF01.64.0)S8.8f s=6.5 &0i

SP-2-5 DN=

WN100-600 RF Sch402kRF°WNFR

wn50-1500 rj sch8hF RF≥F SCH60/@-90080Sch1RF1150f0S=4)-235/rf ãF=sRG20