DD121698A1 -
METHOD OF REDUCING THE HARMONIC CHANGES IN THE SURFACE OF THE COLLECTORS THROUGH SPARKLING AND ARC FLASHING IN CURRENT-POWERED DC MACHINES
- Google Patents
METHOD OF REDUCING THE HARMONIC CHANGES IN THE SURFACE OF THE COLLECTORS THROUGH SPARKLING AND ARC FLASHING IN CURRENT-POWERED DC MACHINES
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Application filed by Juergen SchwarzfiledCriticalJuergen Schwarz
Priority to DD18850675ApriorityCriticalpatent/DD121698A1/en
Publication of DD121698A1publicationCriticalpatent/DD121698A1/en
DD18850675A1975-09-241975-09-24
METHOD OF REDUCING THE HARMONIC CHANGES IN THE SURFACE OF THE COLLECTORS THROUGH SPARKLING AND ARC FLASHING IN CURRENT-POWERED DC MACHINES
DD121698A1
(en)