Piezoelectric air pressure variation detector.,申请号EP19910115519-传众专利搜索

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发明名称	Piezoelectric air pressure variation detector.
摘要
申请公布号	EP0483498(B1)	申请公布日期	1994.12.21
申请号	EP19910115519	申请日期	1991.09.13
申请人	SUMITOMO METAL MINING COMPANY LIMITED;RACOM INTELLECTUAL PROPERTY LIMITED	发明人	TAMURA, YUKITOSHI;LANE, STEPHEN J.
分类号	G01L7/00;G01L9/00;G01L9/08;G01M3/26;G08B13/16;(IPC1-7):G01L9/08	主分类号	G01L7/00
代理机构		代理人
主权项
地址

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