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BRAATZ WILLI
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BRAATZ WILLI
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Priority to ES0203815ApriorityCriticalpatent/ES203815A1/es
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Un procedimiento para el batido de tubos convergentes, caracterizado por introducirse en un tubo cilíndrico un macho desigual en su sentido longitudinal, y por prensarse o batirse el tubo en un estado que no llegue a la incandescencia, en pequeñas secciones alrededor de su periferia y a su largo, mediante herramientas adaptadas aproximadamente a la forma exterior deseada del tubo.
ES0203815A1952-06-021952-06-02UN PROCEDIMIENTO Y DISPOSITIVO PARA EL FORJADO DE TUBOS CoNICOS
ExpiredES203815A1
(es)
Werkwijzen ter bereiding van 3-oxo gona 4,9-dienen met anabole werking, werkwijze ter bereiding van een far- maceutisch preparaat en aldus verkregen voorwerp.