Free-standing sound-proof wall - has sound-absorbent layer between perforated sheet facing noise-source and sealed back wall of pref reinforced concrete,申请号DE19732354047-传众专利搜索

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发明名称	Free-standing sound-proof wall - has sound-absorbent layer between perforated sheet facing noise-source and sealed back wall of pref reinforced concrete
摘要
申请公布号	DE2354047(A1)	申请公布日期	1975.06.19
申请号	DE19732354047	申请日期	1973.10.29
申请人	OLAF ZANDER KG;GEBRUEDER LOEHLEIN ZIEGELWERKE	发明人	ZANDER,OLAF;LOEHLEIN,ERICH
分类号	E01F8/00;(IPC1-7):E01F7/00	主分类号	E01F8/00
代理机构		代理人
主权项
地址

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