Propeller,申请号US19290370274-传众专利搜索

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发明名称	Propeller
摘要
申请公布号	US1821519(A)	申请公布日期	1931.09.01
申请号	US19290370274	申请日期	1929.06.12
申请人	REMUS KOENIG;ELLIS RUBY K	发明人	KOENIG REMUS;ELLIS RUBY K.
分类号	B63H1/14	主分类号	B63H1/14
代理机构		代理人
主权项
地址

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