HG/T 20592  法兰盖 BL 350(B)-100 RF100)f1

bl350(b)-100 rf100)f1

SO 150-300 FF B=1

PL400-16RF D=59/

PL25-16 RF SF schrfh40Fampampampampampa@aя

WN 300-300 RF B02.5

pl100-40ff600-f/52

3 C1- fs050L3 d=12)1.6/ti/6R6

PL 200(B)-10 RF2 R

SO 50-16RF00-1.a2/data/srR

WN 80(B)-300 MgF SC160 S10RFSch