Automatic charging means for centrifugal extractors,申请号US19290399900-传众专利搜索

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发明名称	Automatic charging means for centrifugal extractors
摘要
申请公布号	US1921446(A)	申请公布日期	1933.08.08
申请号	US19290399900	申请日期	1929.10.16
申请人	ANDREWS NATHANIEL R;NEUMAN JACOB J	发明人	ANDREWS NATHANIEL R.;NEUMAN JACOB J.
分类号	B04B11/04	主分类号	B04B11/04
代理机构		代理人
主权项
地址

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