Frequency-adjustable seismic wave detector,申请号US19470750775-传众专利搜索

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法人/股东/高管

发明名称	Frequency-adjustable seismic wave detector
摘要
申请公布号	US2562983(A)	申请公布日期	1951.08.07
申请号	US19470750775	申请日期	1947.05.27
申请人	SOCONY-VACUUM OIL COMPANY, INCORPORATED	发明人	CLEWELL DAYTON H.
分类号	G01V1/18	主分类号	G01V1/18
代理机构		代理人
主权项
地址

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