Chimney Pipe Sections of Stainless Steel; Double Walled and Insulated; Ruling 087434, Dated October 18, 1990
The tariff classification and country of origin of pipe-in-pipe assemblies
The tariff classification of double walled and insulated stove pipes from Canada
The tariff classification and country of origin of pipe-in-pipe assemblies. Correction to Ruling Number N328388.
The tariff classification of stainless steel gas vent system components from Canada.