Botary pump blade,申请号US19370127507-传众专利搜索

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发明名称	Botary pump blade
摘要
申请公布号	US2124539(A)	申请公布日期	1938.07.26
申请号	US19370127507	申请日期	1937.02.24
申请人	BRELSFORD JAMES B;ROTH JAY M	发明人	BRELSFORD JAMES B.;ROTH JAY M.
分类号	F01C21/08	主分类号	F01C21/08
代理机构		代理人
主权项
地址

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