GB/T 12459  弯头 DN 20-390EL25L100-

DN 20-3 90EL25L100-

LWN 2"-1500 RF

BL5-16 RF16/T20-1S-00-F16FF RFF=�-0M Sh B=9.=rf S=105(B)-S000rf s=2640rf¬5

BL150-40RFRF S(b04a0 RF-/F 16�f&@)-10 RF1F66 RFd

so350-10mF80006(0

SO500(B)-16 MFM

PL 50(B)-16 RF

SO500-16FMS=10pampampa-16 rf s=8