Coil for Electro Magnets 233 0 Download here USA056 - US512340 Print Rate this article: No rating No.USA56Patent512,34Year1894CountryUnited States of AmericaDate of ApplicationJanuary 9, 1894Patent TitleCoil for Electro Magnets Documents to download USA056 - US512340 (.pdf, 123.4 KB) - 187 download(s)