Title:
【考案の名称】圧電発音体
Document Type and Number:
Japanese Patent JPH04112596
Kind Code:
U
Inventors:
Yasushi Tanaka Hiro
Application Number:
JP1482791U
Publication Date:
September 30, 1992
Filing Date:
March 14, 1991
Export Citation:
International Classes:
H04R17/00; (IPC1-7): H04R17/00