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经营范围
发明名称
Acoustic system
摘要
申请公布号
US1941385(A)
申请公布日期
1933.12.26
申请号
US19290399361
申请日期
1929.10.12
申请人
LINDLEY BOWLES EDWARD
发明人
BOWLES EDWARD LINDLEY
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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