îNTREPRINDEREA DE PIESE DE SCHIMB PENTRU INDUSTRIA CHIMICA
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Priority to RO106477ApriorityCriticalpatent/RO86100B1/ro
Publication of RO86100A2publicationCriticalpatent/RO86100A2/fr
Publication of RO86100B1publicationCriticalpatent/RO86100B1/ro
Un procedimiento para preparar cuerpos autosoportantes que tiene porosidad controlada y propiedades graduadas y productos producidos mediante ese procedimiento
Verfahren zur herstellung von rohren grosser langen besonders fur die energiewirtschaft, werkzeuge fur die durchfuhrung und nach diesem verfahren hergestellte rohre