发明名称 Sound recording/playing jewelry case
摘要 As it was stated earlier, the present invention has special feature of financial benefit and convenience since the sound the user recorded is played whenever the case is opened.
申请公布号 US2004007119(A1) 申请公布日期 2004.01.15
申请号 US20030404126 申请日期 2003.04.02
申请人 RA HYUN SOO 发明人 RA HYUN SOO
分类号 G10H1/26;(IPC1-7):G10H1/00 主分类号 G10H1/26
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