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Individual
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Priority to ES0032733UpriorityCriticalpatent/ES32733Y/en
Publication of ES32733UpublicationCriticalpatent/ES32733U/en
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Publication of ES32733YpublicationCriticalpatent/ES32733Y/en
Mineral screening machines characterized by the fact that it consists of a box or container suitable for holding water, which has two handles for its handling and drainage holes, provided with the corresponding plugs and placed at appropriate heights; whose box houses the armature of the trays that, by lateral pieces, is joined in turn, by means of a joint, to the end of a lever mounted rotating on the upper part of a support or of vertical bars adapted to the box of the screen. (Machine-translation by Google Translate, not legally binding)
ES0032733U1952-05-101952-05-10
Mineral sieve
ExpiredES32733Y
(en)
Procedure, with its corresponding devices, for the manufacture of hollow concrete blocks (Machine-translation by Google Translate, not legally binding)