GB/T 12459  弯头 DN 25-Sch16090EL

DN 25-Sch160 90EL

SO50(B)-16 M0

5 RF 1800-1.6hMRRF@F SScFchF.5rf40c

PL50(B)-16RF/80Sf hgrf0rj

wn80b-16rf+s=/

BL 50-25 M(A)-16RF16RF(A)-16RF

wn700(a)-16rf d=685-6 RFL

47023 FM900-4.0/)-16 RF4dn=6 DN=45

SO600-10 RFH

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