Sound-producing amusement devices
作者： Avish J. Weiner
DOI:
关键词:
摘要: A sound-producing amusement device, having: a read-only memory having recorded therein digital data representing sounds characteristic of the and unit for producing represented by in memory. The is separate including connectors connection to unit. includes mating removably attaching electrically connecting unit, battery supplying power both speaker stored
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