Verfahren zur Schallwiedergabe in grossen geschlossenen Raeumen,申请号DE1935M131126D-传众专利搜索

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发明名称	Verfahren zur Schallwiedergabe in grossen geschlossenen Raeumen
摘要
申请公布号	DE666528(C)	申请公布日期	1938.10.21
申请号	DE1935M131126D	申请日期	1935.05.24
申请人	JOSEPH MASSOLLE G.M.B.H.;JOSEPH MASSOLLE	发明人
分类号	G10K15/10	主分类号	G10K15/10
代理机构		代理人
主权项
地址

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