HG/T 20615  法兰盖 BL 40-150 RF sc

BL40-150 RF sc

WN 300(B)-16 RF S=s=10 c=42

bl80-900rj396RSc-16

PL100(B)-16 RFh0

SP-2S00

WN 500(B)-10 RF066

47023 fm1600-4SBL150-40RFB)945b=3 d=78 &a/

so20-16gS S0

SO 3"-150 RFFothg

so100b)-25rf=10S)-16 RF RJRF.hC10 RF rf�01�009 PL20-600RF