original Patent - Dr. Lucian Gottscho , Charlottenburg , 1897 , Abzweigstromschalter , Strom , Starkstrom , Elektrik !!

Original Patent -  Dr. Lucian Gottscho , Charlottenburg , 1897 , Abzweigstromschalter , Strom , Starkstrom , Elektrik !! - Historical Documents
Original Patent -  Dr. Lucian Gottscho , Charlottenburg , 1897 , Abzweigstromschalter , Strom , Starkstrom , Elektrik !! - Historical Documents
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