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发明名称
Improvements in acoustic signal producing devices for toys
摘要
申请公布号
GB598788(A)
申请公布日期
1948.02.26
申请号
GB19450023278
申请日期
1945.09.10
申请人
GEORGES GERAUD HUARD;RAYMOND JEAN ERNEST ROGER
发明人
分类号
A63H17/32
主分类号
A63H17/32
代理机构
代理人
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