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Patent US640516 - RESONANCE-GIRCU ITS
RESONANCE-GIRCU ITS
MICHAEL I. RUPIN
› Overview
Abstract
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Description
Claims
Patent number
: 640516
Filing date
: May 28, 1895
Issue date
: Jan 2, 1900
Inventor
:
MICHAEL I. RUPIN
Current U.S. Classification
:
370/302
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Drawings