15. What is the CLASSIFICATION of check valves that regulate the flow of hydraulic fluid? The check valves are made of iron and are used in the oil well industry.
A. 8431.43.4000
B. 8481.20.0040
C. 8481.30.2010
D. 8481.30.9000
E. 8431.43.8060
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The Answer is: B
Citation: HTSUS 8481.20.0040, HTSUS GRI 1, HTSUS Note 2 to Section XVI, HTSUS Subheading Note 3 to Chapter 84.
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