NB/T 47065.1  支座 BⅠ 6885

bi 6885

2 A1546

47065.4 B33

LWN50-300 RF Sch40 H=256

DN150-PN2.5 PL RF i�6F300 F-1671@°F5@PFN RF

BI 11232

2 FM 1300-0.6 δs=8-5RF@F R

BI 2654

WN100(B)-16 RF890

bii 5476900 RF Sch40 H=4416 RF2480cSc01=2C=24/¦Ã5 M.2200-1.h05mpamp1F5@°F50 RF