Customs Tariff Number 842139 - Search results (4)

842139
Subheading
Machinery and apparatus for filtering or purifying gases (excl. isotope separators and intake air filters for internal combustion engines)
Machinery and apparatus for filtering or purifying air (excl. isotope separators and intake air filters for internal combustion engines)
Machinery and apparatus for filtering or purifying gases (other than air), by a catalytic process (excl. isotope separators)
Machinery and apparatus for filtering and purifying gases (other than air and excl. those which operate using a catalytic process, and isotope separators)