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发明名称
Drum beater
摘要
申请公布号
GB1020750(A)
申请公布日期
1966.02.23
申请号
GB19640044765
申请日期
1964.11.03
申请人
HAROLD JOHN THOMPSON
发明人
分类号
G10D13/00
主分类号
G10D13/00
代理机构
代理人
主权项
地址
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