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经营范围
发明名称
Mécanisme pour machines parlantes.
摘要
申请公布号
CH274286(A)
申请公布日期
1951.03.31
申请号
CHD274286
申请日期
1947.05.14
申请人
MADER,DAVID
发明人
MADER,DAVID
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
主权项
地址
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