Title:
【考案の名称】デジタルスピ-カ
Document Type and Number:
Japanese Patent JPS59121999
Kind Code:
U
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Inventors:
Kiyoshi Yamagishi
Application Number:
JP1598283U
Publication Date:
August 16, 1984
Filing Date:
February 04, 1983
Export Citation:
International Classes:
H04R9/02; H04R9/04; H04R9/06; (IPC1-7): H04R9/04; H04R9/02; H04R9/06