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Title:
【考案の名称】ヘツドフオン
Document Type and Number:
Japanese Patent JPS59125190
Kind Code:
U
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Inventors:
Masami Shimizu
Nitta Kazuo
Application Number:
JP1767783U
Publication Date:
August 23, 1984
Filing Date:
February 08, 1983
Export Citation:
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International Classes:
H04R1/10; (IPC1-7): H04R1/10



 
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