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BASUER HERMANN
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BASUER HERMANN
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Publication of ES150948A1publicationCriticalpatent/ES150948A1/es
Procedimiento para la fabricación de planchas de materia fibrosa bajo el empleo de materia residual procedente de la industria del papel para conseguir propiedades pirófugas.
ES0150948A1939-12-18PROCEDIMIENTO PARA LA FABRICACIoN DE PLANCHAS DE MATERIA FIBROSA PIROFUGAS
ExpiredES150948A1
(es)