Title:
音響反射板装置
Document Type and Number:
Japanese Patent JP4361441
Kind Code:
B2
Inventors:
Yoshifumi Ito
Shinpei Goto
Shinpei Goto
Application Number:
JP2004228761A
Publication Date:
November 11, 2009
Filing Date:
August 05, 2004
Export Citation:
Assignee:
Kayaba System Machinery Co., Ltd.
International Classes:
G10K11/20; A63J5/04
Domestic Patent References:
JP2003053057A | ||||
JP2001120855A |
Attorney, Agent or Firm:
Izumi Amano