Accelerated variable buoyancy lift,申请号US19480017297-传众专利搜索

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发明名称	Accelerated variable buoyancy lift
摘要
申请公布号	US2470313(A)	申请公布日期	1949.05.17
申请号	US19480017297	申请日期	1948.03.26
申请人	LEVIN ABRAHAM J	发明人	LEVIN ABRAHAM J.
分类号	F03B17/02	主分类号	F03B17/02
代理机构		代理人
主权项
地址

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