HG/T 20615  法兰盖 BL 100-300 G0f7RF0-

bl100-300g0f7RF0-

pl65B-16rf5= rj s=6.5TJ505/forum.hM1202.5f)R

1 CFM 400-1.01.0п╟п÷п╒п┴п╟п▒я┌б∙б≤п╟п÷я┌б∙б═п╟б▒я┌б┬б≥я┌б┴п└п╟п÷п╒�

lwn 300(B)-10 RF

SO500(B)-16RF61.6F0mpampquf