HG/T 20592  法兰 PL 600(B)-6 FFb1RF4pampaF000RFb)-2

pl600(b)-6ffb1RF4pampaF000RFb)-2

PL65(B)-10 fF BB=

WN150-150RFS=86rf117=13 c S=40mpampam25f0

so150(b)-150rf b=3

PL 20(B)-16 m00406650

q345r bl500-10 rfF f1=3 b=3(bFScs=3FSCH-16

SO 20-150 RF B=38

A WN950-150 RF

SO250-150 FM0EF

47065.2 B6PS�½ S=3R