NB/T 47021  法兰 C-FM 1100-0.6h80SSh=100 d=1pM Sc=10-501

1 CFM 1100-0.6h80SSh=100 d=1pM Sc=10-501

wn150-150 rf s=/6ch40S std)-6)-1r W6 rf

LWN 50-150 RF B=52 H=3121ih80SHM1B)-1 H=230-1.6/92-165,'/@4Sc5080/dataSC606 SC/59BJs00S

WN150-40RJRfatic/draw/519 B=F0-aÂp�’ذ�40rFRF-325Fr215RF4/11B00 Scc

3 FM