ES69081A1 - Procedimiento para la destilación de rocas asfálticas, esquistos betuminosos y otras materias análogas, mediante el horno que se describe.
- Google Patents
Procedimiento para la destilación de rocas asfálticas, esquistos betuminosos y otras materias análogas, mediante el horno que se describe.
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La Porta Andrea
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La Porta Andrea
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Priority to ES69081ApriorityCriticalpatent/ES69081A1/es
Publication of ES69081A1publicationCriticalpatent/ES69081A1/es
ES69081A1919-02-121919-02-12Procedimiento para la destilación de rocas asfálticas, esquistos betuminosos y otras materias análogas, mediante el horno que se describe.
ExpiredES69081A1
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