Item CR-AN-AH-MAG-PATEN-000197 - Solicitud de Shale Reduction Machinery Corporation para inscribir el invento: Un procedimiento y aparato para sacar betún de las materias sólidas que lo contienen

Identity area

Reference code

CR AN CR-AN-AH-MAG-PATEN-000197

Title

Solicitud de Shale Reduction Machinery Corporation para inscribir el invento: Un procedimiento y aparato para sacar betún de las materias sólidas que lo contienen

Date(s)

  • 1920-02-20 - ? (Creation)

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Item

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Name of creator

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Scope and content

Appraisal, destruction and scheduling

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Description control area

Description identifier

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Dates of creation revision deletion

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