Document Type and Number:
Japanese Patent JPS5767478
Kind Code:
U
Application Number:
JP14384680U
Publication Date:
April 22, 1982
Filing Date:
October 08, 1980
Export Citation:
International Classes:
H04R1/00; G01S7/52; G01S7/521; H04R1/30; (IPC1-7): H04R1/00; G01S7/52; H04R1/00; H04R1/30
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