HG/T 20592  法兰盖 BL 450(B)-25 RF/110-1900-FFƒÆ6m=32F�S.54�@� RJ RSH9119-��

bl450(B)-25 rf/110-1900-FFƒÆ6m=32F�S.54�@� RJ RSH9119-��

b WN700-150 RF S=18mm

PL65 B-10 RFSCH80-6 Rr-150S hp1c r50M r

pl250-10t/ FF.6/6/u

SO 25(B)-10 T)-16 R0SRFGFS02hgcad50 RF S=7.62=6

WN20(B)-40 M S=3/0 RF B=41==

wn600-300 tch40 n=16p;