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Individual
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Individual
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Priority to ES1974204996UpriorityCriticalpatent/ES204996Y/es
Publication of ES204996UpublicationCriticalpatent/ES204996U/es
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Publication of ES204996YpublicationCriticalpatent/ES204996Y/es
Tablero de dibujo perfeccionado, caracteriza do por comprender, un tablero propiamente dicho, montado sobre una pieza tubular y una barra interior axial, relacionadas entre ambas por sendos sistemas de discos de embrague, consiguiéndose la presión entre ellos por una palanca inferior que fuerza a una leva a encajar en una postura que al forzar el desplazamiento relativo entre barra y tubo, acopla los embragues-inmovilizando la inclinación del tablero.
ES1974204996U1974-07-301974-07-30Tablero de dibujo perfeccionado.
ExpiredES204996Y
(es)