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经营范围
发明名称
Equipement électrodynamique pour enregistreurs et reproducteurs de sons.
摘要
申请公布号
CH257304(A)
申请公布日期
1948.09.30
申请号
CHD257304
申请日期
1944.08.21
申请人
HERMANN THORENS SOCIETE ANONYME
发明人
ANONYME HERMANN THORENS SOCIETE
分类号
H04R9/12
主分类号
H04R9/12
代理机构
代理人
主权项
地址
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