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发明名称
SOUND RECORD BAND MAKING APPARATUS
摘要
申请公布号
CA398766(A)
申请公布日期
1941.08.19
申请号
CAD398766
申请日期
申请人
HUGO WESTERKAMP
发明人
HUGO WESTERKAMP
分类号
主分类号
代理机构
代理人
主权项
地址
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