发明名称 Shield and acoustical assembly
摘要 A shield for an assembly includes a member of generally corrugated construction, which is uniquely configured to substantially prevent the passage of liquid contaminants impinging thereon. The invention is especially concerned with the provision of an acoustical assembly employing such a shield.
申请公布号 US4114725(A) 申请公布日期 1978.09.19
申请号 US19760734665 申请日期 1976.10.21
申请人 AMERICAN CAN COMPANY 发明人 CROASDALE, WILLIAM H.
分类号 E04B1/82;E04B1/84;(IPC1-7):E04H17/00;G10K11/00 主分类号 E04B1/82
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