PNEUMATIC ACOUSTIC SOURCE EMPLOYING ELECTROMAGNETICALLY CONTROLLED VALVE,申请号USD3613824-传众专利搜索

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发明名称	PNEUMATIC ACOUSTIC SOURCE EMPLOYING ELECTROMAGNETICALLY CONTROLLED VALVE
摘要
申请公布号	US3613824(A)	申请公布日期	1971.10.19
申请号	USD3613824	申请日期	1970.01.27
申请人	MOBIL OIL CORP.	发明人	GEORGE B. LOPER
分类号	G01V1/137;(IPC1-7):G01V1/02	主分类号	G01V1/137
代理机构		代理人
主权项
地址

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