NB/T 47065.1  支座 BⅠ 70344 s

BI 70344 s

DN450-PN16 PL RF II��RF@RF3121 LT Sch40@RF1 S

法兰pl450-10rf5RFF200-f/@A B

bl65-150 RF Sch40TfF SGS01Scsp5 RJF/2@F S5 RJ050-FM=

47065.3 B9349S50SF@WNS5 RJrvle

BⅡ3245 RF334

so350(a)-16 RFFSch40c

BII 3312286 S=6@5c2@

SP-2181-16

BL150