GB/T 29465  法兰 C-FM 1750-0.6ط£ئ’ط¦â

5 CFM 1750-0.6ط£ئ’ط¦â

5LWN22-300RF S2 C=25.5 b=

PL400(B)-10RF C=26 D=6

3 RF 1200-1.0 δ0=16 H=150

PL150A-10RF f1=3 C=22

WN 80b-25fm(compan64yxxz

1 RF 1700-0.25 δs=8��J00M

wn50(b)-25 RF01รSR450

WN450-300 RF B=4 H1=J17

47021 rf800-0.