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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Individual
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Individual
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Priority to ES79748ApriorityCriticalpatent/ES79748A1/en
Publication of ES79748A1publicationCriticalpatent/ES79748A1/en
ES79748A1921-10-191921-10-19
An improvement in the machines for the manufacture of cement and asbestos plates or other fibrous materials.
ExpiredES79748A1
(en)