DIAPHRAGM FOR LOUDSPEAKERS,申请号EP19870306873-传众专利搜索

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发明名称	DIAPHRAGM FOR LOUDSPEAKERS
摘要
申请公布号	EP0256743(B1)	申请公布日期	1992.04.15
申请号	EP19870306873	申请日期	1987.08.03
申请人	MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.	发明人	MURATA, KOUSAKU;TAKAYAMA, SATOSHI;TAKEWA, HIROYUKI;SAIKI, SHUJI;TANAKA, TSUNEO
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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