GB/T 12459  异径三通 DN 80×80×10-Sch20TR6 RFRFMRF1ss30pn0

DN 80×80×10-Sch20 TR6 RFRFMRF1ss30pn0

WN 80-16RF¾wch100 B=230

PL100(B)-6 RF S/�6 c=

WN250-600RF B241FB)-1б⌠п╟п│п╟п�

SP-6-2-50(B/F S405F FM00-6.46F S=58f0-167r4S=16=61.53

PL 32(B)-10 FF D=133/00.m14FW/0F BB=226

BⅡ2300-F/RF5Fgmfm