TELEPHONE SYSTEM CAPABLE OF CONTROLLING INCOMING SOUND VOLUME,申请号JP19890135166-传众专利搜索

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发明名称	TELEPHONE SYSTEM CAPABLE OF CONTROLLING INCOMING SOUND VOLUME
摘要
申请公布号	JPH02312429(A)	申请公布日期	1990.12.27
申请号	JP19890135166	申请日期	1989.05.29
申请人	SEKISUI CHEM CO LTD	发明人	FURUNO YOSHIHIKO;KAKEYA NOBUKAZU;YOSHIDA SATOSHI
分类号	H04M1/72	主分类号	H04M1/72
代理机构		代理人
主权项
地址

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