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ZH RIKAGAKU KENKYUJO
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ZH RIKAGAKU KENKYUJO
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Application filed by ZH RIKAGAKU KENKYUJOfiledCriticalZH RIKAGAKU KENKYUJO
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Publication of FR553490ApublicationCriticalpatent/FR553490A/en
Improvements to the process for the distillation of oily shales, coal and other carbonaceous substances and to the apparatus used for this distillation
Process and apparatus for the extraction and recovery of oils, spirits and gases from pelionite, shale clay, lignite, coal and other organic substances