HG/T 20592  法兰 PL 40(B)-16 FFb=5D/5

PL40(B)-16FFb=5D/5

WN 100(B)-16 RF S=786FFRF b=3F1BBch80f5R00rf0R�@°F1Ff@4 rfsRF@FF��dath120=8.741c2@RF@

WN250(A)-10 FM14r17u0

PL 65-16 RF

47065.3 A4eШЈRF0�80h403

3 FM 500-6.40 RF Sc

WN3/4"-150 RF Sch160 f=2

SO 15-150 RF

wn 80-1500