AKUSTISCHES VERZOEGERUNGSMEDIUM FUER EINE AKUSTISCHE VERZOEGERUNG AUS GLAS,申请号DE19691918760-传众专利搜索

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发明名称	AKUSTISCHES VERZOEGERUNGSMEDIUM FUER EINE AKUSTISCHE VERZOEGERUNG AUS GLAS
摘要
申请公布号	DE1918760(B2)	申请公布日期	1972.04.20
申请号	DE19691918760	申请日期	1969.04.08
申请人		发明人
分类号	C03C3/105;C03C3/112;C03C4/00;H03H9/36;(IPC1-7):H03H9/30	主分类号	C03C3/105
代理机构		代理人
主权项
地址

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