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Individual
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Individual
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Priority to ES0075709UpriorityCriticalpatent/ES75709U/en
Publication of ES75709UpublicationCriticalpatent/ES75709U/en
Improved sponge, which is characterized by having a porous and flexible portion of the surface of the porous and flexible mass which is formed by a coating of an appropriate abrasive material. (Machine-translation by Google Translate, not legally binding)
ES0075709U1959-08-251959-08-25Improved sponge (Machine-translation by Google Translate, not legally binding)
PendingES75709U
(en)