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Application filed by Adolf AbrahamfiledCriticalAdolf Abraham
Application grantedgrantedCritical
Publication of AT91439BpublicationCriticalpatent/AT91439B/de
AT91439D1921-07-111921-07-11Wasserkraftmaschine mit im Wasser auf und ab steigendem sich selbsttätig füllendem und entleerendem Treibbehälter.
AT91439B
(de)