Centrifugal,申请号US19310542820-传众专利搜索

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发明名称	Centrifugal
摘要
申请公布号	US1950869(A)	申请公布日期	1934.03.13
申请号	US19310542820	申请日期	1931.06.08
申请人	HERCULES POWDER COMPANY	发明人	STUART JOSEPH
分类号	B04B3/08	主分类号	B04B3/08
代理机构		代理人
主权项
地址

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