US patent for Assam students
Former scientist of Regional Research Laboratory (RRL) Amal Chandra Phukan has been granted a US patent for his invention to extract hard and soft wax and pitch from sugarcane waste. Countries like
Former scientist of Regional Research Laboratory (RRL) Amal Chandra Phukan has been granted a US patent for his invention to extract hard and soft wax and pitch from sugarcane waste. Countries like