HG/T 20592  法兰盖 BL 100-16 RF 90F93 RScRF50-��SB-100 RF1J-6@pl110RF00M2 Sc

BL100-16 RF 90F93 RScRF50-��SB-100 RF1J-6@pl110RF00M2 Sc

WN 15-900 RF B=10-16 RF(rf900

BL 20-150 RF86 rf02B)-16Rп

wn80()-16 rf s=3(B)-00bdaFFuR

PL300-16RF-1.040M0600-0000000004-1600 F

3 M 650-1.610f0S H=150b=4 b=40 R-

wn32(b)-600fm0RFF09b= n=3