Spinner for aircraft propellers,申请号US19310553176-传众专利搜索

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发明名称	Spinner for aircraft propellers
摘要
申请公布号	US1927921(A)	申请公布日期	1933.09.26
申请号	US19310553176	申请日期	1931.07.25
申请人	COURTNEY FRANCIS T	发明人	COURTNEY FRANCIS T.
分类号	B64C11/14	主分类号	B64C11/14
代理机构		代理人
主权项
地址

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