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 ES127726UpriorityCriticalpatent/ES127726U/es
Publication of ES127726UpublicationCriticalpatent/ES127726U/es
Un sobre perfeccionado caracterizado esencial mente por el hecho de comprendar los laterales del mismo integrados por doble pared que constituyen cámara para alojar una capa uniforme de material pulverulento blando que constituye una masa amortiguadora de protección del contenido del sobre.
ES127726U1967-02-161967-02-16Un sobre perfeccionado
PendingES127726U
(es)