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发明名称
Reproducteur-diffuseur de vibrations sonores, et ses diverses applications
摘要
申请公布号
FR1239512(A)
申请公布日期
1960.08.26
申请号
FR19590807054
申请日期
1959.10.08
申请人
发明人
GASSMANN VITAL-OLIVIER;VERDIER GABRIEL
分类号
H04M1/02
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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