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经营范围
发明名称
Reproducteur acoustique simple
摘要
申请公布号
FR1541056(A)
申请公布日期
1968.10.04
申请号
FR19670118379
申请日期
1967.08.21
申请人
发明人
WATANABE KATSUMI;AOKI HIROMITSU
分类号
A63H5/00
主分类号
A63H5/00
代理机构
代理人
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