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发明名称
Tubular diaphragm for drums and speakers
摘要
申请公布号
GB9409409(D0)
申请公布日期
1994.06.29
申请号
GB19940009409
申请日期
1994.05.09
申请人
CARRINGTON, SIMON P
发明人
分类号
G10D13/02;G10K13/00;H04R7/12
主分类号
G10D13/02
代理机构
代理人
主权项
地址
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