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1993-08-25
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Improvements in the presses to press bricks and concrete blocks.
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Manual press
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Chain manual window opener
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Device for converting a reciprocating movement into a rotary movement and vice versa
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The industrial product artificial stone slab of a specific composition, with decorative drawings.
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Sprocket driving gear
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Crank handle
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1905-12-16
Process for artificially obtaining the color that wood acquires with age
AT138853B
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1934-10-10
Process for the production of hollow bodies, such as pipes, sleeves and. Like. From mixtures of fibers and hydraulic binders.
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Improvements in the Manufacture of Sanitary Pipes and the like.