84 Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof
8473 Machinery; parts and accessories (other than covers, carrying cases and the like) suitable for use solely or principally with machines of headings 84.70 to 84.72
8473.29Parts and accessories of the machines of item no. 8470.30. 8470.50 or 8470.90 (other than covers, carrying cases and the like)