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发明名称
Two-note solenoid operated chime mechanism
摘要
申请公布号
US2799016(A)
申请公布日期
1957.07.09
申请号
US19540460554
申请日期
1954.10.06
申请人
NUTONE, INC.
发明人
CHRISTY JAMES W.;MCEVOY JOSEPH
分类号
G10K1/066;G10K1/10
主分类号
G10K1/066
代理机构
代理人
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地址
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