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发明名称
TONE ARM MOUNTINGS FOR PHONOGRAPHS
摘要
申请公布号
CA599655(A)
申请公布日期
1960.06.14
申请号
CAD599655
申请日期
申请人
JOHN G. FONTAINE
发明人
JOHN G. FONTAINE
分类号
主分类号
代理机构
代理人
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