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发明名称
SOUND RECORDING AND REPRODUCING APPARATUS
摘要
申请公布号
CA375425(A)
申请公布日期
1938.07.26
申请号
CAD375425
申请日期
申请人
HISAJI KUKO
发明人
HISAJI KUKO
分类号
主分类号
代理机构
代理人
主权项
地址
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