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Individual
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Individual
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Priority to ES0009169UpriorityCriticalpatent/ES9169U/en
Publication of ES9169UpublicationCriticalpatent/ES9169U/en
Improved toothbrush, characterized in that the sewing of the rows of bristles is carried out by the part embedded in the head of the brush, an operation facilitated by having previously made a channel-parallel holes to the axis of the brush and that is precisely where it is made the aforementioned stitched. (Machine-translation by Google Translate, not legally binding)
ES0009169U1942-11-231942-11-23Toothbrush perfected (Machine-translation by Google Translate, not legally binding)
PendingES9169U
(en)