GENEVA, May 4 -- DI, Shengcai (Xisanqi Fengdan Lisshe South Building 5, Door 2 102Haidian District, Beijing 100096), 邸生才 (中国北京市海淀区西三旗枫丹丽舍南5号楼2门102), DI, Sen (Xisanqi Fengdan Lisshe South Building 5, Door 2 102Haidian District, Beijing 100096), 邸森 (中国北京市海淀区西三旗枫丹丽舍南5号楼2门102) filed a patent application (PCT/CN2024/091192) for "METHOD FOR ANALYZING DENSITY-TYPE COAL QUALITY PARAMETERS ON BASIS OF BIG DATA, AND ANALYZER" on May 06, 2024. With publica...