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发明名称
Luminous acoustical ceiling
摘要
申请公布号
US2978571(A)
申请公布日期
1961.04.04
申请号
US19560601185
申请日期
1956.07.31
申请人
ROSENBLATT MAURICE C
发明人
ROSENBLATT MAURICE C.
分类号
E04B9/32;F21V17/00
主分类号
E04B9/32
代理机构
代理人
主权项
地址
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