GB/T 12459  弯头 DN 200-4180ES Sch8.0F RF 8.)-

DN 200-4 180ES Sch8.0F RF 8.)-

B WN 700-600 RF S=6010 RFA-6FM B=6001.F

wn80-300 rf s=8=68 c=24-1.0c2-ScÃmpamp0-150

WN40-150RF0FG/pampaampamp6ff-.5Shgr

WN20-300 RF B=

47023 rf700-6.4 δ0=14

WN80-600M S=6

JPL80×40(B)-16 RF 

DN 100×80-Ⅱ-3 RC

wn4