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Expired
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Hugh Spencer Robertson
John Ravenhill Graham
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Individual
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Individual
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Publication of GB190620281ApublicationCriticalpatent/GB190620281A/en
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum
(AREA)
Working-Up Tar And Pitch
(AREA)
Abstract
20,281. Robertson, H. S., and Graham, J. R. Sept. 12. Pitch.-A tarry substance is mixed with a hydrocarbon oil in equal proportions, the solid precipitate formed on standing being removed, dried, and used in making artificial fuel.
GB190620281D1906-09-121906-09-12Improvements in or relating to the Manufacture of Artificial Fuel.
ExpiredGB190620281A
(en)