HG/T 20592  法兰盖 BL 150-63 M0

BL 150-63 M0

PL40b-16RFB

WN 100-100 RFtmlRM S=960 S��

WN 15-900 RF B=10-/1.8A)-16 RFF1005 b5. HF=FF B6m

WN 100-16 RFF S=46D25rf-R/�j/rf S=5.5r17nP0-

TH100-150 RJ20

WN 150(B)-25 RF S/0

BL300-150RFch

WN 150(B)-25 RF S=10=8/6 RF6 RF S=7.1��

WN