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经营范围
发明名称
Ruban sonore
摘要
申请公布号
FR1142916(A)
申请公布日期
1957.09.24
申请号
FRD1142916
申请日期
1955.01.18
申请人
发明人
DUBBERKE WILHELM
分类号
G11B5/74
主分类号
G11B5/74
代理机构
代理人
主权项
地址
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