HG/T 20592  法兰 PL 450-6 RF b=3)030=7

WN 500(B)-16 RF Sch80 b=5kers60 H=12

PL450(A)-6 RF b=3)030=7

wn15-300rf0S RF rff RF000JJ0592RFRF22

PL 25-16 RF D=140 K=100 L=18

LWN80-150RF H=2495-16B)-25

PL1400-10 RFM S=8F0hB360Rh80f000-150RFL0/606

BI 500C= S=

SO 600-150 RF

wn200-16rf09004H=1RJ=8

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