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BOTARGUES SABATE JOSEFA
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BOTARGUES SABATE JOSEFA
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Bisagra perfeccionada, caracterizada esencialmente porque está constituida por dos brazos que incorporan sendos sectores dentados extremos de mas de noventa grados, cuyos sectores presentan un orificio concéntrico por el cual se inmovilizan axialmente entre sendas cartelas que mantienen el sector de un brazo engranado al sector del otro brazo, de modo que un sector transmite, movimiento al otro, estando las cartelas constituidas por una placa doblada por su parte media y estando los ejes de los sectores remachados al sector de modo que las cabezas del remache quedan alojadas y no aprisionan en los orificios de paso de las cartelas, habiéndose previsto en los brazos medios de paso para elementos de fijación.
New chloroacetanylides having a selective herbicide activity,ortho-alkenyl-substituted anulines,intermediates in the synthesis of said herbicide chloroacetanylides,and methods for their preparation