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标题 发布/更新时间 阅读量
Process of solubilizing lignite and producing humates 2023-04-14 536
Method of the recovery of values from lignite liquor 2023-04-09 726
Furnace for the combustion of lignite and semibituminous coal 2023-04-05 764
Lignite and process of producing the same 2023-04-08 362
Method for the obtention of phenols from coal tars and lignite tars 2023-04-12 120
Distillation of lignite 2023-04-20 483
Production of montan wax 2023-04-22 171
Tunnel oven used for the carbonization at low temperatures of oil shale, lignite, coal, and similar materials 2023-04-06 917
Process for the refining of lignite tar, shale tar, peat tar, and the like 2023-04-10 644
Process of producing large size coke from brown coal 2023-04-15 949
Method of treating montan wax 2023-04-16 548
Process for raising the melting point of montan wax 2023-04-19 264
Process for bleaching montan wax 2023-04-18 569
Process of improving the properties of montan wax 2023-04-23 957
Process of producing a product having cation-exchanging properties from lignite or peat 2023-04-11 444
Process of and apparatus for the treatment of materials such as coal, lignite, asphalt, etc. 2023-04-13 98
Process for improving the properties of montan wax 2023-04-17 892
Apparatus for use in drying and distilling lignite, peat, noncoking coals, and othersimilar carbonaceous matter 2023-04-21 958
Process for bleaching montan wax 2023-04-07 212
Apparatus for producing hard homogeneous fuel or similar objects from peat, peat moss, lignite, or the like 2023-04-24 501
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