NB/T 47065.1  支座 BⅠ 5657

bi 5657

WN 25-150 RF

bl450-10rf

BI 75144

DN350-PN10 WN RJ Ⅱ

47065.3 B5

WN 50-600 RF S=1435

SO 50(B)-6 RF50(b)Fch40-6 RF

BI 13288

BL16-600RF6B-� RF Ⅱ S=50M0 RF�@RF@4 Rc�N10 WN RJ Ⅱ.4 SCH8pamp0 H=299/11B S=12.5/8.9,H=156�‚&86o0-4.-1