GB/T 12459  弯头 DN 25-Sch80S45E3DS =5.65g/F

DN 25-Sch80S 45E3DS =5.65g/F

SO200(B)-16 RFt20O200-150

HG/T20615 BL80-300 RF/tmlF�6FF501

WN 20-600 RF S=6pampampam

pl25(b)-16 rfF-

SO 125-40 RF b=66sch40c

SO 150-40 RFF24086FM16FM6 RF16/00rjRJ S30T2S

pl25-16FF/60 R=8168 b=3FR L1=25

SO 2"-150 R