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发明名称
Striking mechanisms for bells
摘要
申请公布号
US1848020(A)
申请公布日期
1932.03.01
申请号
US19310523599
申请日期
1931.03.18
申请人
THE E. W. VANDUZEN COMPANY
发明人
MERRILL SIDNEY B.
分类号
G10K1/32
主分类号
G10K1/32
代理机构
代理人
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地址
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