April 30, 2005 Treatment of materials Trademarks :: Trademark Resources

Treatment of materials Trademarks Filed in April 30, 2005

Solidified gases for industrial purposes, namely carbonic acid gas, sulphurous acid gas; Acids, namely, formic acid, boric…
Owned by: China National Petroleum Corporation and PetroChina Company Limited
Serial Number: 79019136

Solidified gases for industrial purposes, namely, carbonic acid gas, sulfurous acid gas; Acids, namely formic acid, boric…
Owned by: China National Petroleum Corporation and PetroChina Company Limited
Serial Number: 79019138