NB/T 47021  法兰 FF 550-1.

47021 ff550-1.

PL300-10RF5M3fM7

HP-2 п╩Б■░Б■╛п∙п╩Б√▓п═п▀я·п╩Б■░п═я°я п╩п┴п═я⌡пЁп�

WN 10"-300 RF Sch40S0ES1

WN15-150 RF6.6/S

PL15(B)-2.5 RF

pl100-16rf=

SW 25(B)-40 RF-5012

20615 BL 1