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发明名称
Improvements in and relating to sound generator
摘要
申请公布号
GB868609(A)
申请公布日期
1961.05.17
申请号
GB19580038208
申请日期
1958.11.26
申请人
FRITZ REICHLE
发明人
分类号
A01M29/20
主分类号
A01M29/20
代理机构
代理人
主权项
地址
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