Method of making piezoelectric crystals,申请号US19430471885-传众专利搜索

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发明名称	Method of making piezoelectric crystals
摘要
申请公布号	US2366954(A)	申请公布日期	1945.01.09
申请号	US19430471885	申请日期	1943.01.09
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	BROOKS ROBERT E.
分类号	H03H3/02	主分类号	H03H3/02
代理机构		代理人
主权项
地址

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