Title:
アクティブ減音装置ユニット及びこれを有するアクティブ遮音壁
Document Type and Number:
Japanese Patent JP4681150
Kind Code:
B2
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Inventors:
Katayama
Susumu Teranishi
Keizo Onishi
Susumu Teranishi
Keizo Onishi
Application Number:
JP2001167897A
Publication Date:
May 11, 2011
Filing Date:
June 04, 2001
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
E01F8/00; E01F8/02; G10K11/178
Domestic Patent References:
| JP9119114A | ||||
| JP2000265424A |
Attorney, Agent or Firm:
Toshiro Mitsuishi
Tadahiro Mitsuishi
Yasuyuki Tanaka
Tadahiro Mitsuishi
Yasuyuki Tanaka