Improvements in sand and gravel washers,申请号GB19310016712-传众专利搜索

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发明名称	Improvements in sand and gravel washers
摘要
申请公布号	GB373439(A)	申请公布日期	1932.05.26
申请号	GB19310016712	申请日期	1931.06.08
申请人	ROBERT EDWIN MCALPINE	发明人
分类号	B03B5/60	主分类号	B03B5/60
代理机构		代理人
主权项
地址

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