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经营范围
发明名称
Appareils sonores
摘要
申请公布号
FR1023547(A)
申请公布日期
1953.03.19
申请号
FRD1023547
申请日期
1950.08.17
申请人
VICKERS-ARMSTRONGS LIMITED
发明人
分类号
G10K9/04
主分类号
G10K9/04
代理机构
代理人
主权项
地址
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