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NIEPENBERG WALTER JR
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NIEPENBERG WALTER JR
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Filing date
Publication date
Application filed by NIEPENBERG WALTER JRfiledCriticalNIEPENBERG WALTER JR
Priority to ES227780ApriorityCriticalpatent/ES227780A1/es
Publication of ES227780A1publicationCriticalpatent/ES227780A1/es
ES227780A1956-04-071956-04-07Mejoras en las derivaciones magnéticas variables, especialmente para transformadores reguladores del campo de dispersión
ExpiredES227780A1
(es)