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COMBUSTIBLES IND DES
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C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
C10C3/04—Working-up pitch, asphalt, bitumen by chemical means reaction by blowing or oxidising, e.g. air, ozone
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FR18302A1911-07-081913-01-04Transformation des goudrons de houille de pétrole et de schistes en brais par l'action de l'air sous pression
ExpiredFR18302E
(fr)
Procédé pour la gazéification ou la cokéfaction de charbons et de matières carbonifères sous forme de briquettes avec ou sans agglomérant et avec ou sans le concours de vapeur d'eau surchauffée