Gravel separator and scrubber,申请号US19550508713-传众专利搜索

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发明名称	Gravel separator and scrubber
摘要
申请公布号	US2836299(A)	申请公布日期	1958.05.27
申请号	US19550508713	申请日期	1955.05.16
申请人	ELLIS JOHNSON	发明人	JOHNSON ELLIS
分类号	B28C1/20	主分类号	B28C1/20
代理机构		代理人
主权项
地址

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