Title:
【発明の名称】楽器用開閉体の開閉装置
Document Type and Number:
Japanese Patent JPH0642144
Kind Code:
B2
Inventors:
WATANABE KEISUKE
Application Number:
JP19779287A
Publication Date:
June 01, 1994
Filing Date:
August 07, 1987
Export Citation:
Assignee:
YAMAHA CORP
International Classes:
A47B23/00; G09F9/00; G10C3/02; G10G7/00; (IPC1-7): G10C3/02
Domestic Patent References:
| JP60262191A | ||||
| JP5432118U | ||||
| JP5481717U | ||||
| JP482817U | ||||
| JP56134088U |
Attorney, Agent or Firm:
Seiichi Kuwai
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