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发明名称
Acoustical ceiling structure
摘要
申请公布号
US2866233(A)
申请公布日期
1958.12.30
申请号
US19570664935
申请日期
1957.06.11
申请人
EASTERN PRODUCTS CORPORATION
发明人
LYDARD MARTIN L.
分类号
E04B9/16;E04B9/28
主分类号
E04B9/16
代理机构
代理人
主权项
地址
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