A pzt loudspeaker,申请号GB19990001178-传众专利搜索

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发明名称	A pzt loudspeaker
摘要
申请公布号	GB9901178(D0)	申请公布日期	1999.03.10
申请号	GB19990001178	申请日期	1999.01.20
申请人	DENNE, WILLIAM A	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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