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标题 发布/更新时间 阅读量
Process for preparing and coking bituminous coal 2023-05-19 65
Process of treating bituminous coal 2023-05-17 569
Process of treating light oils produced in by-product coking of bituminous coal in order to obtain a water-soluble acid sludge 2023-05-26 274
Burner for anthracite coal 2023-05-27 332
Method of and apparatus for sampling anthracite coal 2023-05-25 845
Process for briquetting bituminous coal 2023-05-30 256
Method of making coal briquettes of anthracitic quality from immature carboniferous substances 2023-06-03 728
Method of treating bituminous substances 2023-06-02 226
Smokeless coal-burning furnace. 2023-06-04 44
Machine for undermining coal. 2023-06-05 219
Plastic compound containing synthetic rubber and anthracite coal 2023-05-21 182
Smokeless briquette 2023-05-20 345
Treatment for improving bituminous coal 2023-05-22 920
Apparatus for the semicoking of coal, slate, or other bituminous substances 2023-06-01 989
Granulated active carbon from bituminous coal 2023-05-18 743
Simultaneous treatment of crude petroleums or the like and bituminous coals or the like 2023-05-23 843
Method and apparatus for utilizing and burning anthracite dust coal and the like 2023-05-24 604
Method of producing alpha solid smokeless fuel from bituminous coal and lignite 2023-05-31 228
Process for the distillation of bituminous coal 2023-05-28 924
Resinous products of the reaction of styrene with resins derived from bituminous coals of utah 2023-05-29 258
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