| http://www.w3.org/ns/prov#value | - Additionally, wireless transmission systems particularly adapted for musical instruments are known as disclosed, for example, in U.S. Pat. No. 3,296,916 issued Jan. 10, 1967 and, in particular, for an electric guitar are known as, for example, disclosed in U.S. Pat. No. 3,901,118 issued Aug. 26, 1975.
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