Gelsonlab HSGM-016 Educational Fuel specimen Specifications : 1.Natural gas 2. Rice straw 3. Firewood 4. Carbon 5.Flammable 6. Coal 7. Olefin 8.Solid alcohol 9. Brown coal 10. Asphaltum 11. Petroleum 12.Coal ball Packed into TRANSPARENT COVER WOODEN CASE, size:305*215*50
Fuel Specimen
Gelsonlab HSGM-016 Educational Fuel specimen