HG/T 20592  法兰 WN 150-2.5 RF�/.6 pl10f1112b

wn150-2.5RF�/.6 pl10f1112b

bb/@bi 1000п╩п╧п�F=2.

WN 6"-300 LT

WN65B-16FM S=4.1

47023 m800-1.6 п╟п░п╟б░п╟п░п╒б÷п╟п░п╟б┌п╟п░п╒б┴п

LJ 1 1/2"-900 LG

4 A1G(bRF� �1.0sR0500 rf

BL 50