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Newcastle Upon Tyne & Gateshea
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Newcastle Upon Tyne & Gateshea
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Application filed by Newcastle Upon Tyne & GatesheafiledCriticalNewcastle Upon Tyne & Gateshea
Application grantedgrantedCritical
Publication of FR551171ApublicationCriticalpatent/FR551171A/en
Improvements to the process for the distillation of oily shales, coal and other carbonaceous substances and to the apparatus used for this distillation