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经营范围
发明名称
Electronic audible horn
摘要
申请公布号
US3138795(A)
申请公布日期
1964.06.23
申请号
US19590832284
申请日期
1959.08.07
申请人
WALLACE & TIERNAN INCORPORATED
发明人
WALLACE CHARLES F.;CRESWICK NORMAN S.;WATTERS BILL GENE
分类号
B06B1/02;G08B3/10;G10H1/00;G10K9/13
主分类号
B06B1/02
代理机构
代理人
主权项
地址
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