Monture à cristal piézo-électrique,申请号FRD979024-传众专利搜索

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发明名称	Monture à cristal piézo-électrique
摘要
申请公布号	FR979024(A)	申请公布日期	1951.04.20
申请号	FRD979024	申请日期	1942.03.11
申请人		发明人	BOMPARD FRANCIS;PINET RAYMOND
分类号	H03H9/05	主分类号	H03H9/05
代理机构		代理人
主权项
地址

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