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发明名称
Improvements in acoustic systems
摘要
申请公布号
GB974701(A)
申请公布日期
1964.11.11
申请号
GB19590039969
申请日期
1959.11.25
申请人
THE COUNCIL FOR SCIENTIFIC AND INDUSTRIAL RESEARCH
发明人
PARKIN PETER HUBERT
分类号
G10K15/10
主分类号
G10K15/10
代理机构
代理人
主权项
地址
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