Showing 1 - 20 results of 40 for search '"MAY KARL H"', query time: 1.11s Refine Results  

Electrical regulator

by MAY KARL H
Year of Publication 12.01.1932
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Patent

Electric apparatus

by MAY KARL H
Year of Publication 19.06.1928
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Patent

Synchronoscope

by MAY KARL H
Year of Publication 21.02.1928
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Patent