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发明名称
Sound-absorbing treatment
摘要
申请公布号
US2401906(A)
申请公布日期
1946.06.11
申请号
US19420456430
申请日期
1942.08.27
申请人
JOHNS-MANVILLE CORPORATION
发明人
BURNETT CLINTON B.;DONAHUE WILLIAM T.;RANDOLPH FRED T.
分类号
E04B9/00
主分类号
E04B9/00
代理机构
代理人
主权项
地址
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