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发明名称
Improvements in or connected with magnetic sound generators
摘要
申请公布号
GB767059(A)
申请公布日期
1957.01.30
申请号
GB19540033474
申请日期
1954.11.18
申请人
TRIX LIMITED
发明人
KAHN SIEGFRIED;PRIOR FRANCIS JOHN;ALTON WERNER
分类号
A63H5/00
主分类号
A63H5/00
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