Swivel coupling for seismic surveying systems,申请号US19490135091-传众专利搜索

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发明名称	Swivel coupling for seismic surveying systems
摘要
申请公布号	US2667531(A)	申请公布日期	1954.01.26
申请号	US19490135091	申请日期	1949.12.27
申请人	SOCONY-VACUUM OIL COMPANY, INCORPORATED	发明人	MCLOAD KENNETH W.
分类号	G01V1/38	主分类号	G01V1/38
代理机构		代理人
主权项
地址

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