15 Utility model patent
001-Utility Model Patent - A powder coke or powder cooler 002-Utility Model Patent - A Continuous Preparation Device for Catalysts Using a Two-Stage Stirred Tank Co-Precipitation Method 003-Utility Model Patent - A Coupling Reactor for Catalytic Conversion of Hydrocarbon Reaction Feedstocks to Produce Low-Carbon Olefins and Aromatics 004-Utility Model Patent - A Petroleum Hydrocarbon Separation Experimental Device 005-Utility Model Patent - A Fixed Fluidized Bed Reaction Evaluation Device 006-Utility Model Patent - A Powder Coke or Powder Evaporator 007-Utility Model Patent - A Fluidized Cooler for Powder Coke or Powder 008-Utility Model Patent - A type of powder coke or powder cooler 009-Utility Model Patent - A Powder Coke or Powder Cooling Evaporator 010-Utility Model Patent - A Fluidized Catalytic Conversion Reactor for Petroleum Hydrocarbons 011-Utility Model Patent - A Continuous Circulation Reaction Experimental Device for Catalysts with Dual Reactors 012-Utility Model Patent - A Catalyst Fluidization Aging or Deactivation Heating Furnace 013-Utility Model Patent - A Multi-channel Catalyst Deactivation or Aging Device 014-Utility Model Patent - A detachable solid particle cooling heat exchanger tube bundle 015-Utility Model Patent - A Catalyst Precooler for Riser Reactor 
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