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经营范围
发明名称
Acoustic absorbing structure
摘要
申请公布号
US3269484(A)
申请公布日期
1966.08.30
申请号
US19630311253
申请日期
1963.09.24
申请人
STEPHEN LIGHTER
发明人
LIGHTER STEPHEN
分类号
E01F8/00;E04B1/61;E04B1/84;E04B1/86
主分类号
E01F8/00
代理机构
代理人
主权项
地址
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