PIEZOELECTRIC APPARATUS,申请号CAD433114-传众专利搜索

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发明名称	PIEZOELECTRIC APPARATUS
摘要
申请公布号	CA433114(A)	申请公布日期	1946.02.19
申请号	CAD433114	申请日期
申请人	THE BRUSH DEVELOPMENT COMPANY	发明人	JOHN PHILIP ARNDT, JR.;WALTER JOHN BROWN;ALFRED LESLIE WARWICK WILLIAMS
分类号		主分类号
代理机构		代理人
主权项
地址

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