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发明名称
ROTATING LIQUID WHISTLE
摘要
申请公布号
CA758380(A)
申请公布日期
1967.05.09
申请号
CAD758380
申请日期
申请人
ERIC C. COTTELL
发明人
ERIC C. COTTELL
分类号
主分类号
代理机构
代理人
主权项
地址
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