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发明名称
SOUND DEADENING SCREEN
摘要
申请公布号
US3497029(A)
申请公布日期
1970.02.24
申请号
USD3497029
申请日期
1969.04.16
申请人
ART METAL KNOLL CORP.
发明人
FOREST G. STARK
分类号
E04B1/74;E04B1/82;E04B1/84;E04B2/74;(IPC1-7):E04B1/99
主分类号
E04B1/74
代理机构
代理人
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