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Priority to ES35216ApriorityCriticalpatent/ES35216A1/es
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ES35216A1904-12-231904-12-23Una máquina para afilar los punzones de formar matrices, las herramientas de fresar, de ensanchar y demás análogas.
ExpiredES35216A1
(es)
Una máquina para trabajar las cajas de chapa con un número de herramientas que se aplican sucesivamente a una misma pieza de trabajo, dispuestas alrededor de una columna central y por encima de una mesa que recibe las piezas de trabajo.