HG/T 20592  法兰盖 BL 900(B)-16 RF S=10

BL 900(B)-16 RF S=10

bl 40-150 RF5”&¦&

3 FM 500-2.5�0=12-Fs1

PJ/SE 300(B)-16 RF S=8=4.540300615 S=14f2=4

PL450(B)-25 RF6/3FRF S=61.

BL 100-16 RF/forum0H400000rf/09 BL20

SO25A-16 RF10=1/ δFFso00f/@Faa80cnSF)-40sc15-200RF005t30

PL100(B)-16 RF

Wn1