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发明名称
Acoustical composition
摘要
申请公布号
US2097054(A)
申请公布日期
1937.10.26
申请号
US19330674201
申请日期
1933.06.03
申请人
ATLANTIC RESCARCH ASSOCIATES, INC.
发明人
ATWOOD FRANCIS CLARKE
分类号
C04B14/26;C04B28/16
主分类号
C04B14/26
代理机构
代理人
主权项
地址
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