Sustaining and propelling member for fluid-sustained craft,申请号US19340729566-传众专利搜索

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发明名称	Sustaining and propelling member for fluid-sustained craft
摘要
申请公布号	US2169325(A)	申请公布日期	1939.08.15
申请号	US19340729566	申请日期	1934.06.08
申请人	NOVAK JULIUS J	发明人	NOVAK JULIUS J.
分类号	B64C21/06	主分类号	B64C21/06
代理机构		代理人
主权项
地址

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