GB/T 12459  弯头 DN 40-Sch10S45E3D@��j@F5

DN 40-Sch10S 45E3D@��j@F5

LJ 400(B)-25 RF)1.00RFhf6�S@RF@443@40@S5 RJ11FF9S

BL FF 10K 40A

PL50-10RF

wn65-40mL6FS1@ch4S

PJ/SE 25(B)-16 RF S=8

BL 600-40 RF

PL200-16RF

WN 10"-600 RJ Sp

wn50-300RF S=6F Sch40M406data@h40ClFRF5RFFmpamp@40@S5 RJr