Electromechanical filter with center drive of disk,申请号US19530366168-传众专利搜索

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发明名称	Electromechanical filter with center drive of disk
摘要
申请公布号	US2693580(A)	申请公布日期	1954.11.02
申请号	US19530366168	申请日期	1953.07.06
申请人	COLLINS RADIO COMPANY	发明人	PETERSON WESLEY D.
分类号	H03H9/135;H03H9/50	主分类号	H03H9/135
代理机构		代理人
主权项
地址

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