HOWLING PREVENTION SYSTEM AT LOUDSPEAKER TALKING END,申请号JP19880118869-传众专利搜索

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发明名称	HOWLING PREVENTION SYSTEM AT LOUDSPEAKER TALKING END
摘要
申请公布号	JPH01288145(A)	申请公布日期	1989.11.20
申请号	JP19880118869	申请日期	1988.05.16
申请人	MEISEI ELECTRIC CO LTD	发明人	MISAWA HIROYUKI;NAGAI NORIO
分类号	H04M1/60	主分类号	H04M1/60
代理机构		代理人
主权项
地址

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