HG/T 20592  法兰 PL 450(B)-16 RF b=10

PL 450(B)-16 RF b=10

WN 250(B)-16 RF

WN 2"-150 RF

PL 150(B)-16 RF

BI800

WN140-16RF7578Hذ’آpampampampampampwd

WN3"-600 RF Sch100

pl100-10rf(b)fТ–Т�

SW 40-63 RF

SO 450-10 RF B=200 b=3Ⅱ-PN63 PL RF Ⅱ100-150 RFFF Sch160 RF25�F1RFRF