HG/T 20592  法兰盖 BL 80(B)-16 M/-60 RF Scs816r/00f=1-10rf D=9-10F T RF

BL80(B)-16 M/-60 RF Scs816r/00f=1-10rf D=9-10F T RF

SO10-25T250-150

so100-300rf.0-6.4

PL125 -16 rf-1.0B´13 fm10025RF00-f/

wn50-1500 rf/059S30 S=

wn80-25rf s=10.5 &;nbsp;thread-create-1.html

BL300 (B)-16RF6

2 FF 800-1.020δ1=10

BL 150-16 RFCH10S RF