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发明名称
Bafle extensible et montage flottant du haut-parleur à l'usage des postes récepteurs t. s. f. et amplificateurs
摘要
申请公布号
FR783573(A)
申请公布日期
1935.07.16
申请号
FRD783573
申请日期
1934.11.28
申请人
发明人
FRANCOIS GUEDON JOSEPH BERNARD
分类号
H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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