Title:
【発明の名称】電気音響変換器用振動板
Document Type and Number:
Japanese Patent JP2886607
Kind Code:
B2
Inventors:
ICHIKAWA SHUICHI
Application Number:
JP7725990A
Publication Date:
April 26, 1999
Filing Date:
March 27, 1990
Export Citation:
Assignee:
FUOSUTAA DENKI KK
International Classes:
B32B18/00; B32B19/02; H04R7/02; (IPC1-7): H04R7/02
Attorney, Agent or Firm:
Michio Takayama (1 outside)