Document Type and Number:
Japanese Patent JPS4874034
Kind Code:
U
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WO/2023/163284 | WEARABLE SPEAKER |
JPH04136957 | [Title of the device] Mounting structure of a car speaker |
Application Number:
JP12080271U
Publication Date:
September 14, 1973
Filing Date:
December 20, 1971
Export Citation:
International Classes:
H04R1/02; H04N5/64; (IPC1-7): H04R1/02; H04N5/64