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Individual
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Individual
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Priority to ES146362ApriorityCriticalpatent/ES146362A1/en
Publication of ES146362A1publicationCriticalpatent/ES146362A1/en
ES146362A1938-12-091938-12-09
A procedure to obtain a product resulting from the union of vegetable or animal fibers and cement.
ExpiredES146362A1
(en)