FR683514A -
Method, device and method of electrical connections for the installation of symbolic values or quantities by electromagnetic means
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Method, device and method of electrical connections for the installation of symbolic values or quantities by electromagnetic means
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FR683514D1928-10-221929-10-18
Method, device and method of electrical connections for the installation of symbolic values or quantities by electromagnetic means
ExpiredFR683514A
(en)
Method and device for producing concentrates or precipitates of dispersions on an anodically deposited precipitation substrate by means of electric current.