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Decoletaje Y Derivados S A
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Boquilla perfeccionada caracterizada porque está constituida por un tubo central acoplado a la manguera, cerrado por el extremo opuesto.y provisto en esta zona de, taladros radiales, cuyo exterior dispone de un casquillo concéntrico susceptible de desplazarse axialmente produciendo entonces la obturación, de la salida del líquido o bien permitiéndola en grado y forma variables según sea la posición correlativa entre ambos elementos.
Procedimiento para la preparacion de nuevos derivados del 3-(3 beta-tridigistoxosil-12 beta, 14 beta-dihidroxi-5 beta- androstan-17 beta-il)-acrilonitrilo.