HG/T 20592  法兰 PL 50(B)-16 FF 8B)-16 RF S=Rc RF

PL 50(B)-16 FF 8B)-16 RF S=Rc RF

WN65(B)-63 M1=8150RF S╕п═�4.020δ0=

2 M 500-0.2520δ1SF66.

WN 200-300 RF S=12/6 H=152

wn15(b)-16 m s=2/-4.00-150

47065.2 A6/6MF220590580ch0(B)-126Sc S=4 H1=10 A=1

SO125(B)-16RFBB=59

wn200(b)-160rj0 B169FRb=3�