Improvements in or relating to the manufacture of piezoelectric units,申请号GB19500011566-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of piezoelectric units
摘要
申请公布号	GB680934(A)	申请公布日期	1952.10.15
申请号	GB19500011566	申请日期	1950.05.09
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;LESLIE ROLLIN	发明人
分类号	H03H3/04	主分类号	H03H3/04
代理机构		代理人
主权项
地址

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