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1981-11-24
APPARATUS AND METHOD FOR TREATING ORGANIC MATERIALS.
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1977-07-14
Verfahren und vorrichtung zur herstellung eines brennstoffes
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1958-05-13
Process of briquetting
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1980-04-21
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1983-05-26
Methode et appareil pour la fabrication de produits carbones
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1986-05-30
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1982-07-20
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1957-10-29
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1998-06-16
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1986-10-08
Installation de régénération de solvants usés et utilisation de ladite installation
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1952-10-28
Horizontal retort with reciprocating agitator
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1974-06-04
Process for compacting fluorspar for metallurgical use
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1924-12-09
Process for treating organic materials to produce meal and oil
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1922-09-26
Method of treating fuel for briquetting purposes
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1936-05-12
Briquetted fuel and process of making
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1932-04-19
Apparatus for the continuous treatment of comminuted carbonaceous material
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(af )
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1905-03-08
Improvements in or relating to the Manufacture of Artificial Asphalt or the like Composition
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1917-05-01
Process of and apparatus for treating coal.
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1916-01-04
Process of recovering solid by-products from wood-pulp liquor.
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1897-12-21
Ludwig rissmuller
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1916-05-23
Process of revivifying or decarbonizing bone-black and other filtering media.
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(af )
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(fi )
1981-12-10
Foerfarande och anlaeggning foer framstaellning av braennbara briketter ur vaextmaterial