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Individual
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Individual
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Priority to ES137427ApriorityCriticalpatent/ES137427A1/en
Publication of ES137427A1publicationCriticalpatent/ES137427A1/en
ES137427A1935-03-061935-03-06
Procedure for the manufacture of leather masks of other artificial materials analogous to leather in drafting molds.
ExpiredES137427A1
(en)