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发明名称
Способ изготовления диафрагм и центрирующих шайб для громкоговорителей
摘要
申请公布号
SU135116(A1)
申请公布日期
1960.11.30
申请号
SU19600668470
申请日期
1960.05.30
申请人
发明人
ABRAMOVA V.A.;PROKHOROV A.T.
分类号
H04R31/00
主分类号
H04R31/00
代理机构
代理人
主权项
地址
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