강남도파민 Contrary to Inoue, del Rosario patented the "Sing-Along Process" (issued in 1983 and 1986) and is particularly identified as the only holder of the patent for the karaoke system on the earth just after he received a patent infringement circumstance from a Chinese organization while in the nineties. Nevertheless, https://emiliojptw528495.ja-blog.com/35571157/detailed-notes-on-karaoke