HOWLING CANCELER SYSTEM FOR HAND-FREE TELEPHONE,申请号JP19880080094-传众专利搜索

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发明名称	HOWLING CANCELER SYSTEM FOR HAND-FREE TELEPHONE
摘要
申请公布号	JPH01253353(A)	申请公布日期	1989.10.09
申请号	JP19880080094	申请日期	1988.03.31
申请人	FUJITSU TEN LTD	发明人	TAKAGI MASAKI;TOMITA TSUTOMU;YAMANE TORU;YAMASHITA KENJI
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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