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发明名称
Vehicle siren
摘要
申请公布号
US1761162(A)
申请公布日期
1930.06.03
申请号
US19280289466
申请日期
1928.06.30
申请人
VOLF JR CHRISTIAN A
发明人
JR. CHRISTIAN A. VOLF,
分类号
G10K7/04
主分类号
G10K7/04
代理机构
代理人
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地址
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