HG/T 20592  法兰 WN 450-25 RF-п╟п░п╟б÷п╟п┌п╟б┴п╟п░п╟б▒п╠б┌п

WN450-25RF-п╟п░п╟б÷п╟п┌п╟б┴п╟п░п╟б▒п╠б┌п

WN 150(B)-16RF S＝4.5

PL500(B)-16RFRF

PL15-25FFF0-/-150rf07000-0.6/960rFF1.640

PL250-10RFРҙв–‘Рөв•/F1

wn80-10ff)3.1200S

PL100-25M45

SP10-75

20592WN400-10R