AU115991B2 - Improvements in retorts ofthe vertical fully loaded type forthe destructive distillation of oil shale or other carbonaceous matter
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Improvements in retorts ofthe vertical fully loaded type forthe destructive distillation of oil shale or other carbonaceous matter
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AU2809/41A1941-09-08Improvements in retorts ofthe vertical fully loaded type forthe destructive distillation of oil shale or other carbonaceous matter
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