HG/T 20592  法兰盖 BL 150(B)-10 RF-K=h

BL150(B)-10RF-K=h

wn100-300 rf 831603II

PL 80B-16 RFп╟п│п╡п┌п╟п▓я┌б─п┌п╡п≥п╟б═п╡п▒п╟п▓я┌б─п

B BL34"-1500 RF0S2 R)-16 FFRF01500

BL15(B)-150RF=RF0-4.0/m s=575/pampaR06FM50RF

pl500(b)- 6ff00