The tariff classification of a butt weld pipe fitting from China
The tariff classification of unfinished tee fittings from China
The tariff classification of unfinished butt weld pipe fittings from Italy
The tariff classification and marking of steel butt weld elbows from China
National Oilwell Varco Request for Internal Advice; 19 C.F.R. ยง 177.11; Tariff Classification of PFT Hub and Cap System