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经营范围
发明名称
Sound absorbing construction
摘要
申请公布号
US2146028(A)
申请公布日期
1939.02.07
申请号
US19370120657
申请日期
1937.01.15
申请人
BURGESS BATTERY COMPANY
发明人
REYNOLDS BENJAMIN S.
分类号
E04B1/82;E04B1/84;E04B1/86
主分类号
E04B1/82
代理机构
代理人
主权项
地址
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