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发明名称
SOUND REPRODUCING MEANS
摘要
申请公布号
CA338606(A)
申请公布日期
1934.01.16
申请号
CAD338606
申请日期
申请人
ALOYSIUS J. CAWLEY
发明人
ALOYSIUS J. CAWLEY
分类号
主分类号
代理机构
代理人
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