ES129075A1 - Perfeccionamientos en la fabricación de elementos para máquinas que trabajan a la flexión o al cizallamiento o rasgadura.
- Google Patents
Perfeccionamientos en la fabricación de elementos para máquinas que trabajan a la flexión o al cizallamiento o rasgadura.
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ES129075A1932-12-211932-12-21Perfeccionamientos en la fabricación de elementos para máquinas que trabajan a la flexión o al cizallamiento o rasgadura.
ExpiredES129075A1
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