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发明名称
ECOUTEUR AVEC UN TUBE DE GUIDAGE DU SON
摘要
申请公布号
FR2902272(B1)
申请公布日期
2012.03.09
申请号
FR20060007258
申请日期
2006.08.10
申请人
COTRON CORPORATION
发明人
YANG BILL
分类号
H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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