ES69081A1 -
Procedure for the distillation of asphalt rocks, bituminous shales and other similar matters, by means of the described furnace.
- Google Patents
Procedure for the distillation of asphalt rocks, bituminous shales and other similar matters, by means of the described furnace.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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La Porta Andrea
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La Porta Andrea
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Publication date
Application filed by La Porta AndreafiledCriticalLa Porta Andrea
Priority to ES69081ApriorityCriticalpatent/ES69081A1/en
Publication of ES69081A1publicationCriticalpatent/ES69081A1/en
ES69081A1919-02-121919-02-12
Procedure for the distillation of asphalt rocks, bituminous shales and other similar matters, by means of the described furnace.
ExpiredES69081A1
(en)