Variable pitch propeller blade root construction,申请号US19460654752-传众专利搜索

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发明名称	Variable pitch propeller blade root construction
摘要
申请公布号	US2612229(A)	申请公布日期	1952.09.30
申请号	US19460654752	申请日期	1946.03.15
申请人	FERDINAND TORNES;JOHANNES LIAAEN NILS	发明人	TORNES FERDINAND;LIAAEN NILS JOHANNES
分类号	B63H3/04	主分类号	B63H3/04
代理机构		代理人
主权项
地址

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