HG/T 20592  法兰 PL 350-16 RF=115.52

PL350(A)-16 RF=115.52

wn200-63rf a=/c┐РЋљ0

WN 300(B)-16 RF A=.52RF-315a

WN40(B)-40MMs=6Sch80SHoke0

bl25(b)-150 rf п©

wn800b-16ffFM5/1000 d=608-h603R-1ã0/825(b)-1

SO 500-150 RFB)-16 R

BL50(B)-10 RF b=jRFSO RFch30-1.0/85-91 S=150 RF0

SO 100-16