HG/T 20592  法兰盖 BL 450-6 RF00 RF

BL 450-6 RF00 RF

SO 65(B)-16 RF06M S=10L150120F rF0m20-5amp;am

SO 8"-300 RF f=1.8jb03

PL80(B)-16 RF.60c3

SO20-300RFSCH101.0 δ1=12

WN 100-150 RF Sch40SO40(B)-16 RF=2

DN100-Class2500 WN RJ

WN40-40RFRFfF8840S0B).660F S5

WN 8"-900 RJ S=12.55

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