GB/T 12459  弯头 DN 350-Ⅱ-6.590EL

DN 350-Ⅱ-6.5 90EL

PL25(B)-6 RF

BI 400

WN 250(B)-16 RF S=4

WN250-40G RJ Sch4F&@RJРRFFR��F6B)5F&@RC=6data@f2s1�FLW0�v

PL 32(B)-10 RF

PL25(B)-10 RF

BI 406

WN 250(B)-10 RF S=4

WN 40(B)-25 RFNF-16RJ/70-165h40s5654/3-180RF S=4FaF SCfm6=15ampampa