HG/T 20592  法兰盖 BL 250-63 TSch160S0rf-

BL250-63TSch160S0rf-

PL80-16RF0503340F=308

PL10-25FF0-f0/

PL80-16 RFmpaR.66rj&amp

wn200-150RF SCH40s

SO 200-25 T4-16RF S=5615-2009(BH=.0/8 1000-0

SO 150-6 RFrfRFN25RF

SO 30-150 RFFFã95- RF0@4

SO 125a-16 RF D=249.3 N=167.5 B=14RFR/2/

BL 40-16 R