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经营范围
发明名称
ACOUSTIC DEVICE
摘要
申请公布号
US3618698(A)
申请公布日期
1971.11.09
申请号
USD3618698
申请日期
1969.10.30
申请人
BURGLAR BLAST INC.
发明人
BARKMAN C. MCCABE;JOHN R. FOSS
分类号
A61F11/00;(IPC1-7):G10K11/10
主分类号
A61F11/00
代理机构
代理人
主权项
地址
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