Pulp beater and selector,申请号US19420448777-传众专利搜索

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发明名称	Pulp beater and selector
摘要
申请公布号	US2340720(A)	申请公布日期	1944.02.01
申请号	US19420448777	申请日期	1942.06.27
申请人	DONALD WELLS HAROLD	发明人	WELLS HAROLD DONALD
分类号	D21D1/32	主分类号	D21D1/32
代理机构		代理人
主权项
地址

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