HG/T 20592  法兰盖 BL 65 -40 RF0/п▒Б0uothg2061

bl65 -40rf0/п▒Б0uothg2061

1 fm800-1.0/RFR3 rfRF450-1.6/f hg/3-20

47023 FF2000-1.0640F0s4/6RF32(B)-16RF-120

WN 560-16 RF ScRF=2

2 FM 1600-0.2520δ1=10 C=2

47023 rf800-6.4 Б─⌠я п╡п╔п═Б─⌠б╠п╡п╔п╞Б─⌠я п╡п�