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经营范围
发明名称
Bell
摘要
A bell having a mantle which is fully broken through by a plurality of gaps longitudinally and axially formed along the circumference of the mantle and dimensioned to tune the bell to a predetermined tonal frequency range.
申请公布号
US4619846(A)
申请公布日期
1986.10.28
申请号
US19850734447
申请日期
1985.05.15
申请人
OBORZIL, EDIT;JENEY, TIBOR
发明人
OBORZIL, EDIT;JENEY, TIBOR
分类号
G10K1/071;(IPC1-7):G10K1/00
主分类号
G10K1/071
代理机构
代理人
主权项
地址
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