HG/T 20592  法兰盖 BL 500-10 RF0F Ⅱ0 RF@aF/4.mpamrf@40@S5 RJ11FF9Spwd=Mata5 RJ0SM.IIF-140�

BL 500-10 RF0F Ⅱ0 RF@aF/4.mpamrf@40@S5 RJ11FF9Spwd=Mata5 RJ0SM.IIF-140�

PL 150(B)-10 RFBL100-1F401000--6BF@4 Rch4755-R@0000O0@

wn0-150RFRFSf

BL100B-63M=12F5-150 rf79-2

LWN 32-300 FM Sch40S

SO 125(B)-10 GRJSch45@

SO 100-150 RFpampquotbB63

1 FF 450