FILM FOR SPEAKER DIAPHRAGM,申请号JP19880082881-传众专利搜索

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发明名称	FILM FOR SPEAKER DIAPHRAGM
摘要
申请公布号	JPH01256298(A)	申请公布日期	1989.10.12
申请号	JP19880082881	申请日期	1988.04.06
申请人	TEIJIN LTD	发明人	HOSOI MASAHIRO;HAMANO HISASHI;KATO HIDEO
分类号	H04R7/02	主分类号	H04R7/02
代理机构		代理人
主权项
地址

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