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发明名称
ACOUSTICAL GRID PANELS
摘要
申请公布号
US3524763(A)
申请公布日期
1970.08.18
申请号
USD3524763
申请日期
1966.12.27
申请人
NATIONAL GYPSUM CO.
发明人
SALVATORE R. TARAVELLA;WALTER L. RUSS JR.
分类号
E04B1/84;E04B1/86;E04C2/24;(IPC1-7):D21H1/40;B32B19/04
主分类号
E04B1/84
代理机构
代理人
主权项
地址
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