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发明名称	KALOTTENLAUTSPRECHER
摘要
申请公布号	DD272955(A1)	申请公布日期	1989.10.25
申请号	DD19880316442	申请日期	1988.08.06
申请人	VEB FUNKWERK KOELLEDA,DD	发明人	ROHRER,JOHANNES,DD
分类号	H04R9/04;(IPC1-7):H04R9/04	主分类号	H04R9/04
代理机构		代理人
主权项
地址

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