Frequency modulated torsional vibration analyzer,申请号US19470777197-传众专利搜索

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发明名称	Frequency modulated torsional vibration analyzer
摘要
申请公布号	US2655036(A)	申请公布日期	1953.10.13
申请号	US19470777197	申请日期	1947.10.01
申请人	GENERAL MOTORS CORPORATION	发明人	CHAPMAN FREDERICK W.
分类号	G01H1/10	主分类号	G01H1/10
代理机构		代理人
主权项
地址

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