HG/T 20592  法兰 PL 500-16 FF S=10

PL 500-16 FF S=10

PL 400B-10 RF

SO 18"-150 RF

WN250-16 RF

PL 150(B)-25 RF

WN300(A)-16 RF SA-1

PL 65-6 RF

wn400-16 rf s1cBh ScF@ï)amp@CH160S RFF8

SO 50(B)-25 RF

PL 400-10 RF0TDF22150p RJScF&@��@RF@S=15.0950 SCSc950BL15-05e�Mamp�@40@S5/u�