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发明名称
Diaphragme avec bobine
摘要
申请公布号
FR952099(A)
申请公布日期
1949.11.09
申请号
FRD952099
申请日期
1947.08.14
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
分类号
H04R7/12
主分类号
H04R7/12
代理机构
代理人
主权项
地址
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