参考文献:
China PetroleumandChemical Corporation Beijing Research Institute of Chemical Industry, China Petroleum and Chemical Corporation Patent: EP239992 A1, 211 Location in patent: Page/Page column 8
参考文献:
China PetroleumandChemical Corporation Beijing Research Institute of Chemical Industry, China Petroleum and Chemical Corporation Patent: EP239992 A1, 211
参考文献:
China PetroleumandChemical Corporation Beijing Research Institute of Chemical Industry, China Petroleum and Chemical Corporation Patent: EP239992 A1, 211