Title:
【発明の名称】スピーカ用振動板
Document Type and Number:
Japanese Patent JP3119855
Kind Code:
B2
Inventors:
Hitoshi Sato
Application Number:
JP31359589A
Publication Date:
December 25, 2000
Filing Date:
December 01, 1989
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H04R7/02; H04R7/18; (IPC1-7): H04R7/02; H04R7/18
Domestic Patent References:
| JP5546679A | ||||
| JP63286098A | ||||
| JP4837125A |
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)
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