Structural unit
United States Patent 2401472

Inventors:
Franklin, Albert W.
Publication Date:
06/04/1946
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Assignee:
Franklin, Albert W.
Primary Class:
336/208
Other Classes:
336/223, 336/192, 29/602.100, 336/232, 343/870, 343/908, 439/206, 29/882, 99/421V, 156/251, 343/873, 343/866, 439/85
International Classes:
H01Q7/00; H05K3/04; H05K3/02