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发明名称
Siren
摘要
申请公布号
US2017132(A)
申请公布日期
1935.10.15
申请号
US19340706474
申请日期
1934.01.13
申请人
THE SIRENO COMPANY, INC.
发明人
RICCI HARRY
分类号
G10K7/04
主分类号
G10K7/04
代理机构
代理人
主权项
地址
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