ES209300A2 - Improvements introduced in the object of the principal screen (Machine-translation by Google Translate, not legally binding)
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Improvements introduced in the object of the principal screen (Machine-translation by Google Translate, not legally binding)
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An improvement introduced in the object of the main patent number 206,243 or in a shut-off valve characterized in that the sealing body has a hollow section elongated in the direction transverse to the passage and contains a rigid insert whose height is less at least as far as the stressed that the depth of the cavity. (Machine-translation by Google Translate, not legally binding)
ES0209300A1952-05-171953-05-13Improvements introduced in the object of the principal screen (Machine-translation by Google Translate, not legally binding)
ExpiredES209300A2
(en)
A procedure for manufacturing elements (sillares, blocks, beams, plates or analogs) for construction (Machine-translation by Google Translate, not legally binding)