发明名称 PROCEDURE FOR MAKING MULTIPLE ARCHED SIDED LOUDSPEAKER BOXES, SIGHTLY ARCHITECTURAL CORNER CLADDINGS
摘要 <p>The box has case comprising several sectional elements, for building up a wall of desired thickness and forming stepped shape on the internal surfaces to reduce the reflection of sound waves in box.</p>
申请公布号 HU0500305(A2) 申请公布日期 2006.12.28
申请号 HU20050000305 申请日期 2005.03.17
申请人 PERJESI NORBERT;PAPAI ZOLTAN RAJMUND 发明人 PERJESI NORBERT
分类号 E04F19/04;(IPC1-7):E04F19/04 主分类号 E04F19/04
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