HG/T 20615  法兰盖 BL 40-150 RFa-1ff319/sH40 A105RF S=5

BL40-150RFa-1ff319/sH40 A105RF S=5

BL100-150 RFя▐Б√└п▒Б┬≥ц╥п©Б√▓п▒Б

WN20-300 RF10r�я п╡п╔п═Б─⌠б╠п╡п╔п╞Б─⌠я п╡п╕п

WN65(b)-16RFc7F

PL100(B)-6RF15529s28.4c┘п╒б═п╟п┐�