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经营范围
发明名称
Sound absorbing construction
摘要
申请公布号
US2219440(A)
申请公布日期
1940.10.29
申请号
US19370156323
申请日期
1937.07.29
申请人
BURGES BATTERY COMPANY
发明人
BURGESS CHARLES F.
分类号
E04B9/00;E04B9/26
主分类号
E04B9/00
代理机构
代理人
主权项
地址
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